Launching Light from Semiconductor Lasers into Single-Mode Fiber Optical Waveguides

1983 ◽  
pp. 353-353
Author(s):  
Harish R. D. Sunak
Keyword(s):  
Semiconductor Lasers ◽  
Optical Waveguides ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Fiber Optical

Single-mode fiber-optical polarization rotator

1979 ◽  
Vol 18 (11) ◽  
pp. 1857 ◽  
Author(s):  
R. Ulrich ◽  
M. Johnson
Keyword(s):  
Single Mode ◽  
Single Mode Fiber ◽  
Optical Polarization ◽  
Polarization Rotator ◽  
Fiber Optical

Transparent single-mode fiber optical networks

1986 ◽  
Vol 4 (7) ◽  
pp. 864-869 ◽  
Author(s):  
D. Payne ◽  
J. Stern
Keyword(s):  
Optical Networks ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Fiber Optical

Highly Selective Single-Mode Fiber Optical Couplers

1988 ◽  
Author(s):  
A.G. Bulushev ◽  
Ju.V. Gurov ◽  
E.M. Dianov ◽  
O.G. Okhotnikov ◽  
V.M. Paramonov ◽  
...  
Keyword(s):  
Single Mode ◽  
Single Mode Fiber ◽  
Fiber Optical ◽  
Optical Couplers

Improving Image Contrast of Fiber Point Diffraction Interferometer

2011 ◽  
Vol 187 ◽  
pp. 693-698
Author(s):  
Liang Nie ◽  
Jun Han ◽  
Xu Jiang
Keyword(s):  
Spherical Surface ◽  
Single Mode ◽  
Optimization Method ◽  
Single Mode Fiber ◽  
Image Contrast ◽  
Coating Film ◽  
Core Diameter ◽  
Fiber Optical ◽  
Set Up ◽  
Interference Image

To measure spherical surface with high precision, an advanced fiber point diffraction interferometer (FPDI) is introduced in this paper. Based on the system principle, the factors that affect the interference image contrast are put forward and analyzed, such as fiber optical properties, interferogram background and intensity match of two beams. Then the optimization method is proposed. The single-mode fiber with core diameter 3λ is selected and the dispersion between modes is removed. The short coherence length laser is designed with a semiconductor solid-state laser and meets the need of FPDI. By coating film on the fiber end face, the light use ratio is improved significantly. Finally, the fiber point diffraction interferometer system is set up in experiment and the interference fringes are obtained. The result shows that the FPDI can achieve interference patterns with high contrast after optimization and the system has reached a relatively high accuracy.

Sign in / Sign up

Export Citation Format

Share Document