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12 Principles of Animation (Official Full Series)
 
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Further Animation Learning: http://bit.ly/2dleXfH Full playlist: https://www.youtube.com/playlist?list=PL-bOh8btec4CXd2ya1NmSKpi92U_l6ZJd (0:10) 1. Squash and Stretch (2:07) 2. Anticipation (4:14) 3. Staging (6:33) 4. Straight Ahead/Pose to Pose (9:14) 5. Follow Through & Overlapping Action (11:17) 6. Slow In & Slow Out (12:57) 7. Arcs (14:38) 8. Secondary Action (16:11) 9. Timing (18:22) 10. Exaggeration (19:55) 11. Solid Drawing (21:38) 12. Appeal PATREON: http://www.patreon.com/alanbecker TWITTER: http://twitter.com/alanthebecker FACEBOOK: http://facebook.com/alanthebecker WEBSITE: http://alanbecker.net MY MAIN CHANNEL: http://youtube.com/noogai89 MY MINECRAFT CHANNEL: http://youtube.com/AlanBeckerMinecraft
Views: 2514415 AlanBeckerTutorials
The Illusion of Life | Principle of Animation | 12 Basic Principle of Animation
 
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The 12 basic principles of animation were developed by the 'old men' of Walt Disney Studios, amongst them Frank Thomas and Ollie Johnston, during the 1930s. Of course they weren't old men at the time, but young men who were at the forefront of exciting discoveries that were contributing to the development of a new art form. These principles came as a result of reflection about their practice and through Disney's desire to use animation to express character and personality. This movie is my personal take on those principles, applied to simple shapes. Like a cube. Attribution: Directed & Animated: Cento Lodigiani Taken from "The illusion of life" by Frank Thomas and Ollie Johnston Read more: https://en.wikipedia.org/wiki/12_basic_principles_of_animation Music From "Fantastic Mr.Fox" original sountrack by Alexandre Desplat
Views: 61536 Entertainment
12 principles of animation
 
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The 12 principles of animation were introduced by Disney's animators, Ollie Johnston and Frank Thomas, in their book 'The Illusion of Life: Disney Animation'. Published in 1981, it is widely considered to be the best animation book of all time.
Views: 101885 aCreativeAgency
The Principles of Animation
 
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"The Principles of Animation" by Hjalti Hjalmarsson Blender Conference 2017 Learn more at https://www.blender.org/conference/ Watch it all: https://www.youtube.com/playlist?list=PLa1F2ddGya_9XER0wnFS6Mgnp3T-hgSZO
Views: 40074 Blender
Disney - The Magic of Animation
 
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A look at the 12 principles of animation developed by Disney to give life to an image. Buy a shirt at https://teespring.com/stores/kaptainkristian Support this channel at https://www.patreon.com/kaptainkristian Follow me at https://twitter.com/kaptainkristian Music: Limes x Kendall Miles - Good Morning https://soundcloud.com/limes-3/good-morning-limes-x-kendall-miles H E R B - Possible https://soundcloud.com/herbbeatz/possible Kendall Miles - 24/7 ^Go Support all these incredible artists! You can get a copy of The Illusion of Life here: https://www.amazon.com/Illusion-Life-Disney-Animation/dp/0786860707
Views: 350624 kaptainkristian
Animation basics: The art of timing and spacing - TED-Ed
 
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View full lesson: http://ed.ted.com/lessons/animation-basics-the-art-of-timing-and-spacing-ted-ed Expert timing and spacing is what separates a slide show from a truly amazing animation. TED-Ed demonstrates, by manipulating various bouncing balls, how the smallest adjustments from frame to frame can make all the difference. Lesson and animation by TED-Ed.
Views: 378420 TED-Ed
12 Principles of Animation Compilation
 
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It's no secret that the 12 Principles of Animation are the fundamental building blocks for any animator. Get the hang of these basic techniques and you'll be on your way to understanding the language of animation. First introduced in The Illusion of Life by Frank Thomas and Ollie Johnston, these 12 principles have remained the quintessential roadmap for aspiring and experienced animators alike. Our animators are no exception! In fact, they have created their very own series of animation tutorials to explain the 12 Principles of Animation, using what you ask? Why, a brown bag, of course!
Views: 18905 Brown Bag Films
Making the most of the 12 basic principles of animation for Motion Graphics
 
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Thiago Maia Head of Motion Graphics at Escape Studios, and founder of Cookie Studios takes you through his top tips to improve your animations. Thiago demonstrates how to transform a simple linear cube animation into something more interesting just by applying a few of the 12 principles of animation. To follow along you can download the assets here: http://pearsoncollegelondon.ac.uk/content/dam/region-core/uk/pearson-college/documents/escape-studios/tutorials/MotionGraphics_Webinar_Files_310718.zip Hit Subscribe for more! Follow us on Twitter! https://twitter.com/Escape_Studios Like us on Facebook! http://www.facebook.com/escapestudios
Views: 763 Escape Studios
Principles of Animation: Deformation | Anime Academy
 
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Deformation techniques like squash, stretch, and smears are essential tools for creating the dynamic animation that anime is famous for. In this episode, we'll explore some examples of deformation in anime. Written by: Evan Minto, @VamptVo Be sure to check back every Monday at 11:00a PT for a new episode of Anime Academy! CHECK OUT OUR OTHER SERIES! Get all of your weekly anime news here! 👉 https://got.cr/AnimeRecaps Learn how your favorite anime get made! 👉 https://got.cr/AnimeAcademySeason3 Need new anime recommendations? 👉 http://got.cr/QReviewPlaylist SUBSCRIBE 🌟 http://bit.ly/crunchyrollsubscribe FREE 14-DAY CRUNCHYROLL TRIAL 🌟 http://bit.ly/2hOGDI1
Views: 4966 Crunchyroll
Episode 1: Exploring the Principles of Animation with MODO
 
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MODO artist extraordinaire, Brian Vowles, introduces his training series, Exploring the Principles of Animation in MODO. It's awesome. It's free. What's not to love? Don't have MODO and want to follow along? Grab a trial! http://ow.ly/rXUr300pK2u
Animation Style - 12 basic principles of animation [Vietsub]
 
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12 basic and advance principles of animation by KOHTA MORIE @Vietsub by Quyen Le - Van Pham
Views: 407 Văn Phạm
Principles of Animation: Animation Styles
 
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We've spent a lot of time diving into the different techniques artists use when animating. In this episode, we're going to focus on a few of the different Animation Styles that have helped define anime. Written by: Evan Minto, @VamptVo Be sure to check back every Monday at 11:00a PT for a new episode of Anime Academy! CHECK OUT OUR OTHER SERIES! Get all of your weekly anime news here! 👉 https://got.cr/AnimeRecaps Learn how your favorite anime get made! 👉 https://got.cr/AnimeAcademySeason3 Need new anime recommendations? 👉 http://got.cr/QReviewPlaylist SUBSCRIBE 🌟 http://bit.ly/crunchyrollsubscribe FREE 14-DAY CRUNCHYROLL TRIAL 🌟 http://bit.ly/2hOGDI1
Views: 2956 Crunchyroll
Animation Basic Principles
 
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The 12 principles of animation are the most crucial techniques you must master as an animator. Created by blueanimate.com, these 12 principles should be your ultimate guide for creating appealing and realistic character animations. Explore the 12 principles and start mastering them in your own work to create captivating animations. Use this as a reference if you’re ever stumped on a principle or your animation needs some help. Help us caption & translate this video! http://amara.org/v/Hd0L/
Views: 87 Blue Animate
Principles of Animation: Timing
 
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This week, we're covering the timing principle of animation. At it's core, timing is about choosing how short, or how long, an action will take to complete. This is decided in total number of frames drawn to complete the action, resulting in the object appearing to obey the laws of physics. Written by: Evan Minto, @VamptVo Be sure to check back every Monday at 11:00a PT for a new episode of Anime Academy! CHECK OUT OUR OTHER SERIES! Get all of your weekly anime news here! 👉 https://got.cr/AnimeRecaps Learn how your favorite anime get made! 👉 https://got.cr/AnimeAcademySeason3 Need new anime recommendations? 👉 http://got.cr/QReviewPlaylist SUBSCRIBE 🌟 http://bit.ly/crunchyrollsubscribe FREE 14-DAY CRUNCHYROLL TRIAL 🌟 http://bit.ly/2hOGDI1
Views: 4361 Crunchyroll
Principles of Animation - Follow Through and Overlapping Action
 
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Another important principle to keep in mind while animating is Follow through and overlapping action. Follow Through It is the conclusion part of an action. When the main body of the character stops all other parts continue to catch up to the main mass of the character, such as arms, long hair, clothing, or a cape, floppy ears or a long tail. Always taking a bit more time to settle down and stop Remember nothing stops all at once. Sources and references : Disney's Illusion of life , Animator's Survival kit , Aaron Blaise ,Alan Becker, Drawn to life 1&2 -Walt stanchfield. For more information on resources visit http://www.dsource.in/course/principles-animation Write to us at [email protected]
Views: 30705 Dsource Ekalpa India
Forklift Basic Principles Animation
 
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This animation shows how to drive forklifts safely by explaining how they work.
Views: 25757 SteveCouchVideos
9. Timing - 12 Principles of Animation
 
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NEXT VIDEO: https://youtu.be/BarOk2p38LQ PREVIOUS VIDEO: https://youtu.be/MjBHWw1TbP4 This is my video series highlighting each of the 12 Principles of Animation as described by Frank Thomas and Ollie Johnston in their book "The Illusion of Life". SUPPORT ME: http://www.patreon.com/alanbecker TWITTER: http://twitter.com/alanthebecker FACEBOOK: http://facebook.com/alanthebecker WEBSITE: http://alanbecker.net MY MAIN CHANNEL: http://youtube.com/noogai89 MY MINECRAFT CHANNEL: http://youtube.com/AlanBeckerMinecraft ANIMATION LIVESTREAM: http://www.twitch.tv/alanbecker
Views: 381975 AlanBeckerTutorials
CGWORLD “Animation Style” -12 basic principles of animation-
 
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"Animation Style" appears serially in the monthly magazine "CGWORLD". CGWORLD https://www.wgn.co.jp/cgw/ Animation Style http://www.amazon.co.jp/dp/4862671330/
Views: 6288 Morie Kohta
12 Principles of Animation
 
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www.animationmethods.com www.facebook.com/animationmethods
Views: 16574 AnimationMethods
1. Squash & Stretch - 12 Principles of Animation
 
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Bloop Animation "Animation Foundations" Course! http://bit.ly/2dleXfH NEXT VIDEO: http://youtu.be/F8OtE60T8yU This is my video series highlighting each of the 12 Principles of Animation as described by Frank Thomas and Ollie Johnston in their book "The Illusion of Life". SUPPORT ME: http://www.patreon.com/alanbecker TWITTER: http://twitter.com/alanthebecker FACEBOOK: http://facebook.com/alanthebecker WEBSITE: http://alanbecker.net MY MAIN CHANNEL: http://youtube.com/noogai89 MY MINECRAFT CHANNEL: http://youtube.com/AlanBeckerMinecraft ANIMATION LIVESTREAM: http://www.twitch.tv/alanbecker
Views: 1032179 AlanBeckerTutorials
12 Basic Principles of Animation
 
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The Twelve Basic Principles of Animation is a set of principles of animation introduced by the Disney animators, Ollie Johnston and Frank Thomas in their 1981 book, The Illusion of Life: Disney Animation. Sound by Max Coburn http://maxoisnuts.bandcamp.com
Views: 2146 Christina Lu
12 Basic principles of animation with Adventure Time
 
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Designed as a helpful guide, hopefully after watching this adventure time video, you won't be able to forget what the principles of animation are: 1.-Squash and stretch 2.-Anticipation 3.-Staging 4.-Straight ahead action and pose to pose 5.-Follow through and overlapping action 6.-Slow in and slow out 7.-Arcs 8.-Secondary action 9.-Timing 10.-Exaggeration 11.-Solid drawing 12.-Appeal Music: Flying Lotus - About that time
Views: 1553 Sinriensdx
7. Arcs - 12 Principles of Animation
 
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NEXT VIDEO: http://youtu.be/MjBHWw1TbP4 PREVIOUS VIDEO: http://youtu.be/fQBFsTqbKhY This is my video series highlighting each of the 12 Principles of Animation as described by Frank Thomas and Ollie Johnston in their book "The Illusion of Life". SUPPORT ME: http://www.patreon.com/alanbecker TWITTER: http://twitter.com/alanthebecker FACEBOOK: http://facebook.com/alanthebecker WEBSITE: http://alanbecker.net MY MAIN CHANNEL: http://youtube.com/noogai89 MY MINECRAFT CHANNEL: http://youtube.com/AlanBeckerMinecraft ANIMATION LIVESTREAM: http://www.twitch.tv/alanbecker
Views: 384297 AlanBeckerTutorials
Principles of Animation-Urdu
 
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Please watch: "Excel Master Series Formatting and Average with Charts-ایکسل میں چارٹس کے ساتھ فارمیٹنگ اور اوسط" https://www.youtube.com/watch?v=OIyzmpss0jg --~-- Character Animation Squash and stretch Exaggeration Anticipation, Follow-through Staging, Overlapping Action Slow-in / Slow-out
Views: 581 TheQLGConsultants
Principles of Animation: Character Animation
 
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Character animation is all about using subtle animations to convey a character's emotions. Fine out what tricks and techniques animators use to do just this in this week's episode of Anime Academy! Written by: Evan Minto, @VamptVo Be sure to check back every Monday at 11:00a PT for a new episode of Anime Academy! CHECK OUT OUR OTHER SERIES! Get all of your weekly anime news here! 👉 https://got.cr/AnimeRecaps Learn how your favorite anime get made! 👉 https://got.cr/AnimeAcademySeason3 Need new anime recommendations? 👉 http://got.cr/QReviewPlaylist SUBSCRIBE 🌟 http://bit.ly/crunchyrollsubscribe FREE 14-DAY CRUNCHYROLL TRIAL 🌟 http://bit.ly/2hOGDI1
Views: 5596 Crunchyroll
Animation - Basic Principles
 
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Animation by Ole Aarnes
Views: 25 Ole Aarnes
The basic principles of insurance
 
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A short animation describing the basic principles of insurance – the concept of policies, premiums and pooling.
Views: 54281 ciimedia
Basic Principles of Animation
 
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Basic animation examples using Adobe Flash to show principles of animation, such as: Squash and Stretch, Gravity, Energy, Bouncing Balls
Views: 20 Wilson Labriola
3. Staging - 12 Principles of Animation
 
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NEXT VIDEO: http://youtu.be/v8quCbt4C-c PREVIOUS VIDEO: http://youtu.be/F8OtE60T8yU This is my video series highlighting each of the 12 Principles of Animation as described by Frank Thomas and Ollie Johnston in their book "The Illusion of Life". SUPPORT ME: http://www.patreon.com/alanbecker TWITTER: http://twitter.com/alanthebecker FACEBOOK: http://facebook.com/alanthebecker WEBSITE: http://alanbecker.net MY MAIN CHANNEL: http://youtube.com/noogai89 MY MINECRAFT CHANNEL: http://youtube.com/AlanBeckerMinecraft ANIMATION LIVESTREAM: http://www.twitch.tv/alanbecker
Views: 489298 AlanBeckerTutorials
Working Principle of DC Motor (animation of elementary model)
 
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Working Principle of DC Motor - Video gives an brief explanation in form of animation how does DC Motor works. Also you can view working principle on elementary model with poles, commutators, brushes, turns and what role in working principles has mechanical force. http://www.chrvojeengineering.com/videos/dc-motor-how-does-it-works/ You can buy video and all files to make exactly the same video: https://www.turbosquid.com/FullPreview/Index.cfm/ID/1208653 PRINCIPLE OF DC MOTOR This DC or direct current motor works on the principal, when a current carrying conductor is placed in a magnetic field, it experiences a torque and has a tendency to move. This is known as motoring action. If the direction of current in the wire is reversed, the direction of rotation also reverses. When magnetic field and electric field interact they produce a mechanical force, and based on that the working principle of DC motor is established. The direction of rotation of a this motor is given by Fleming’s left hand rule, which states that if the index finger, middle finger and thumb of your left hand are extended mutually perpendicular to each other and if the index finger represents the direction of magnetic field, middle finger indicates the direction of current, then the thumb represents the direction in which force is experienced by the shaft of the DC motor. Structurally and construction wise a direct current motor is exactly similar to a DC generator, but electrically it is just the opposite. Here we unlike a generator we supply electrical energy to the input port and derive mechanical energy from the output port ================================================= Visit My Website : https://www.chrvojeengineering.com ================================================= Subscribe and give a support :) ✔ Subscribe https://www.youtube.com/user/chrvoje1 ✔ WEB https://www.chrvojeengineering.com ✔ FACEBOOK https://www.facebook.com/chrvojeengineering/ https://www.facebook.com/profile.php?id=100015365768626 ✔ TWITTER https://twitter.com/chrvoje1 ✔ LINKEDIN https://www.linkedin.com/in/hrvoje-cocic-77691128/ ============================================= Thanks For Watching....... Please Leave A LIKE and COMMENT ============================================= Create: Framesper Second Hrvoje Čočić Category: Education Music: Supreme Music provided by Audio Library https://www.youtube.com/watch?v=910Z-slbCgM Licence: Standard YouTube Licence
Views: 527062 chrvoje engineering
The 12 Basic Principles of Animation by Jellymation
 
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school project made by jellymation ''The 12 Basic Principles of Animation'' I used autodesk 3ds max and after effects
Views: 324 jelle dingemans
Principles of Animation - Solid Drawing
 
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Solid drawing is the animation principle which makes the drawing looks Three dimensional and believable with Volume, Weight and Balance. This requires the knowledge of drawing a subject three dimensional. With Solid drawing you will able able to draw figure from any side, which will help in animating your drawing. Sources and references : Disney's Illusion of life , Animator's Survival kit , Aaron Blaise ,Alan Becker, Drawn to life 1&2 -Walt stanchfield. For more information visit http://www.dsource.in/course/principles-animation Write to us at [email protected]
Views: 16367 Dsource Ekalpa India
Principles of Animation - Exaggeration
 
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Exaggeration is the animation principle, introduced by the great animation masters Frank Thomas and Ollie Johnston. This principle is used to push the movement further and add more appeal to an action, pose or expression. Sources and references : Disney's Illusion of life , Animator's Survival kit , Aaron Blaise ,Alan Becker, Drawn to life 1&2 -Walt stanchfield. For more information visit http://www.dsource.in/course/principles-animation Write to us at [email protected]
Views: 12485 Dsource Ekalpa India
Principles of Animation: Effects
 
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You can think of Animation Effects like special effects in live-action movies: they form a layer of motion on top of or behind the main action that accentuates and draws attention to it. And just like movie special effects, sometimes a really cool effect can steal the show! Written by: Evan Minto, @VamptVo Be sure to check back every Monday at 11:00a PT for a new episode of Anime Academy! CHECK OUT OUR OTHER SERIES! Get all of your weekly anime news here! 👉 https://got.cr/AnimeRecaps Learn how your favorite anime get made! 👉 https://got.cr/AnimeAcademySeason3 Need new anime recommendations? 👉 http://got.cr/QReviewPlaylist SUBSCRIBE 🌟 http://bit.ly/crunchyrollsubscribe FREE 14-DAY CRUNCHYROLL TRIAL 🌟 http://bit.ly/2hOGDI1
Views: 4336 Crunchyroll
Principles of Animation - Staging
 
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Staging is fundamentally the most important principles to be kept in mind while Animating and planning a scene. Always stage an action so that the audience understands it. If you are staging a character or a personality make sure it’s recognizable. Also good staging helps in reading the expressions of the character clearly and overall helps in pushing the mood of the scene, thus engaging the viewer. For more information on resources visit http://www.dsource.in/course/principles-animation Write to us at [email protected]
Views: 10251 Dsource Ekalpa India
Principles of Animation: Alternative Animation
 
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In the season finale of Anime Academy Season 3, we're going to look at what's happening at the frontier of animation: Alternative Animation. Today, alternative animation consists of tons of unique styles, such as stop motion, paint on glass, pencil animation, cutout animation, and more. Written by: Evan Minto, @VamptVo Be sure to check back every Monday at 11:00a PT for a new episode of Anime Academy! CHECK OUT OUR OTHER SERIES! Get all of your weekly anime news here! 👉 https://got.cr/AnimeRecaps Learn how your favorite anime get made! 👉 https://got.cr/AnimeAcademySeason3 Need new anime recommendations? 👉 http://got.cr/QReviewPlaylist SUBSCRIBE 🌟 http://bit.ly/crunchyrollsubscribe FREE 14-DAY CRUNCHYROLL TRIAL 🌟 http://bit.ly/2hOGDI1
Views: 3816 Crunchyroll
12 principle of animation
 
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maya animation principles, max animation, cinema 3d animation, blender animation Share like and comment if you have any query. I am thankful to all of you viewers, so keep watching and like share my video, i will come up with so many tech videos. ........................................ Twitter: https://twitter.com/MahiSingh86 Facebook: https://www.facebook.com/mahic4d Insta: https://www.instagram.com/mahic4d Games Marketplace: https://goo.gl/w6nDI1
Views: 9584 Mahi Tech Tips
Rango - 12 basic principles of animation
 
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รายวิชา 873-218 animation / 12 basic principles of animation
Views: 10163 Boss Nanthawat
05. Follow Through and Overlapping Action || Basic principles of animation
 
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Follow through and overlapping action is a general heading for two closely related techniques which help to render movement more realistically, and help to give the impression that characters follow the laws of physics, including the principle of inertia.
Views: 465 ChalkDust Studio
IN3D - 12 Basic Principles of Animation
 
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The 12 principles of animation discussed during the IN3D class. These footages attempt to show how the 12 principles can be relevant to our animation work. Week 10 Lab 01
Views: 937 SeriousYam
Basic Principles of Animation - follow through
 
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merry go round - Hair follow through-avi
Views: 81 Shyamal Rao
Blender Tutorial - Basics of Animation
 
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This is a tutorial walking the viewer through most of the basic elements of creating an animation in Blender 2.66 Intro Music by - Sardi (me)
Views: 468094 Sardi Pax
12 basic principles of animation 3D full - phuocmovies
 
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Website: http://phuocmovie.wixsite.com/phuocmovieproduction Gmail: [email protected] Character: ray Animator: phuoc movies animation maya, tut maya, maya 2014, maya 2015, maya 2016, maya 2017, cartoon maya, curve maya, doopsheet maya, timline maya, timing maya, layout maya, final, action movies, fun animation, play animation, tut animation, 12 basic principles
Views: 22 phuoc movies
09. Timing & Spacing || Basic principles of animation
 
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Timing refers to the number of frames for a given action, which translates to the speed of the action on film and Spacing refers to the offset of that action in different time.
Views: 68 ChalkDust Studio
PRINCIPLES AND WORKING OF A LASER _PART 1
 
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For more information: http://www.7activestudio.com [email protected] http://www.7activemedical.com/ [email protected] http://www.sciencetuts.com/ [email protected] Contact: +91- 9700061777, 040-64501777 / 65864777 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. PRINCIPLES AND WORKING OF A LASER:In our earlier session we have learnt different characteristic properties of Lasers.Now let us learn about the principles of working of laser.Generally laser works in the form of process which consists of 4 important processes.They are: 1.Absorption2.Spontaneous emission3.Pumping and population inversion and4.Stimulated emission of electromagnetic radiation.Now let us discuss about the processes that takes place in atoms. ABSORPTION:It is well known that, atom consists of different energy states.Let us consider two energy states of an electron.Let us say ground state as Egand excited state as Ex.When electromagnetic energy falls on the atom, in the form of light photon of frequency 'v'.Whereas electromagnetic energy is equal to the difference of Eg- Ex = hv.When it energy falls on the electron, it absorbs the energy and jumps from ground state Eg to excited state Ex.SPONTANEOUS EMISSION:As we already said, electrons jump from ground state to excited state.But the excited electrons that jumped to higher energy state, doesn't remain for longer period in that state and come back to their original ground state by losing its energy in the form of photons.The photons don't have any correlation in phase and thus considered as incoherent light.Thus the release of energy by the electrons on their own is said to be as spontaneous emission.Transition of electrons from one state to another state occurs random in time.By definition,Spontaneous emission is defined as the process in which the electrons in the excited atoms are released on their own from their higher energy state to the ground state.PUMPING AND POULATION INVERSION:As we already said, the transitioned electrons don't stay for longer time in the excited state.There are electrons of some substances or systems, where they remain in the excited state for longer period.Such systems are called ACTIVE SYSTEMS or ACTIVE MEDIA.These are generally compounds or mixtures of different elements.When electrons turn into active systems, their electronic energy levels are also modified and thus it acquires some special properties.Now let us discuss them in detail.Now let us consider atom has three electronic states E1, E2, E3 in active medium.Generally electrons exist in lower state called as Ground state E1.Let us number of electrons in ground state as N1.As we already learnt., Due to the process of absorption when electromagnetic energy equal to the difference of E3 -- E1 are incident on atom, electrons jump from state 1 to the excited state 3.Due to the process of spontaneous emission, the excited electron in the E3 state remains for less period, in order of 10-8sec.Usually most of the electrons loses its energy due to spontaneous emission and returns from E3 state to E1 state. The number of electrons in this state is said to be as N1.But some of the electrons may lose very less energy E3 -E2and jump to state E2.The less emitted energy by electrons is called as Thermal energy. This energy is absorbed by the medium itself.The transition or jumping of electrons from E3 state to E2 state is called as non-radiative transition (or) invisible transition. The electrons in this state E2 remains for longer period compare to state E1, in the order of 3 x 10-3milli seconds.This electronic state is called as Metastable state.
Views: 95771 7activestudio

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