Acceptance Angle and Numerical Aperture of Fiber Optics
Channel: V H Apni Physics
Date: 2015-09-18

The fiber optics is the communication technology, it was initiated in 1976 in UK and USA. All the telephone copper wire has been replaced by the optical fiber. In copper wires the signal were travelling in the form of electric current while in optical fibers the information carries from one place to the other in the form of light i.e. electromagnetic waves.

The optical fibers have many advantages over the copper wires. These are given below;
1. Long distance signal transmission: low attenuation and super signal integrity.
2. Large bandwidth, light weight and small diameter
3. Easy installation and upgrades 
4.Security
These are of three types of fiber optic cables commonly used, namely single mode, multimode optical fiber. 

Total internal reflection is the man principle of the optical fiber communication, that depends on the concept of critical angle. In the above video TIR (Total Internal reflections) is possible only when the  ray enter between the range of incident angle 0 to Acceptance Angle. Otherwise it is possible that it penetrate the classing region.
More information about the Numerical Aperture (NA) you can FIND HEREhttps://www.youtube.com/watch?v=p-egmk-Ucnc&feature=youtu.be
List of electronic equipment which I have for the preparation of video tutorial/lectures and related work. This start with my first camcorder that have built-in projector which is useful in classroom for presentation and to show your life’s moment on a big screen with best resolution; 
1. Sony HDR-PJ410 Full HD Video Recording Handycam Camcorder with Built-in Projector
http://amzn.to/2wSXrsi
2. Logitech C310 HD Webcam
http://amzn.to/2vsDOr3
3.Intex IT-2000 SB 0S Multimedia Speaker
http://amzn.to/2xMGhcx
4.Seagate Expansion 1TB Portable External Hard Drive
http://amzn.to/2xMGnk7
5. 18.5-Inch LED Monitor - LG 19M38H 
http://amzn.to/2wiEuOn
6. External DVD Writer- LG GP65NB60
http://amzn.to/2vs40C7
7. 14.17 x 9.44 inch Huion Graphics Tablet- Huion H610 Pro HUION-01
http://fkrt.it/V7KNRTuuuN
8.HP DeskJet 2132 F5S41D All-In-One Printer
http://amzn.to/2wJE3h0
9.Casio FX-300MS Scientific Calculator
http://amzn.to/2xN8IXD
10.Moserbaer USB Drives 16GB Knight 16 GB Pen Drive 
http://fkrt.it/VEIPnTuuuN
You can find video lecture of Physics HERE
http://www.apniphysics.com

http://www.vyomhans.com