Measurement of gradient refractive index profile using a birefringent lens

1996 ◽  
Vol 35 (2) ◽  
pp. 470 ◽  
Author(s):  
Nisha Sood Biswas
Keyword(s):  
Refractive Index ◽  
Refractive Index Profile ◽  
Index Profile ◽  
Gradient Refractive Index

Nondestructive measurement of refractive index profile of gradient refractive index rod lens

2010 ◽  
Vol 81 (10) ◽  
pp. 103104 ◽  
Author(s):  
Hao Lv ◽  
Aimei Liu ◽  
Jufang Tong ◽  
Xunong Yi ◽  
Qianguang Li ◽  
...  
Keyword(s):  
Refractive Index ◽  
Refractive Index Profile ◽  
Index Profile ◽  
Nondestructive Measurement ◽  
Gradient Refractive Index

scholarly journals Influence of Rugate Filters on the Spectral Manifestation of Tamm Plasmon Polaritons

Materials ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 1282
Author(s):  
Victor Reshetnyak ◽  
Igor Pinkevych ◽  
Timothy Bunning ◽  
Dean Evans
Keyword(s):  
Refractive Index ◽  
Band Gap ◽  
External Medium ◽  
Metal Layer ◽  
Refractive Index Profile ◽  
Spectral Position ◽  
Index Profile ◽  
Reflection And Transmission ◽  
Rugate Filter ◽  
Plasmon Polaritons

This study theoretically investigated light reflection and transmission in a system composed of a thin metal layer (Ag) adjacent to a rugate filter (RF) having a harmonic refractive index profile. Narrow dips in reflectance and peaks in transmittance in the RF band gap were obtained due to the excitation of a Tamm plasmon polariton (TPP) at the Ag–RF interface. It is shown that the spectral position and magnitude of the TPP dips/peaks in the RF band gap depend on the harmonic profile parameters of the RF refractive index, the metal layer thickness, and the external medium refractive index. The obtained dependences for reflectance and transmittance allow selecting parameters of the system which can be optimized for various applications.

Nondestructive refractive‐index profile measurements of clad optical fibers

1975 ◽  
Vol 26 (10) ◽  
pp. 574-575 ◽  
Author(s):  
M. E. Marhic ◽  
P. S. Ho ◽  
M. Epstein
Keyword(s):  
Refractive Index ◽  
Optical Fibers ◽  
Refractive Index Profile ◽  
Index Profile
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