1. Michelson Interferometer

2. INTERFEROMETER

3. Albert Abraham Michelson
Michelson Interferometer
Albert Abraham Michelson
( )

4. Experimental set up

6. Effective arrangement of the interferometer
Circular fringes
©SPK

7. Longitudinal section –Circular fringesP rn N O q S S d D

8. In Young’s double-hole experiment:
For small qm
Radius of nth bright ring

9. In Michelson interferometer
Radius of nth dark ring

10. Haidinger Fringe

11. Order of the fringe
Formation of both real and virtual fringes

13. 1. Measurement of wavelength of light

14. 2. Measurement of wavelength separation
of a doublet

15. Concordance

16. Discordance
= (q+1/2)

18. Measurement of the coherence length of a spectral line
Formation of straight white light fringes
Measurement of thickness of thin transparent flakes
Measurement of refractive index of gases
Standardization meter

19. Reference
1. Optics
Author: Eugene Hecht
Class no. 535 HEC/O
Central library
IIT KGP