scholarly journals Optical frequency-domain chromatic dispersion measurement method for higher-order modes in an optical fiber

2005 ◽  
Vol 13 (25) ◽  
pp. 10040 ◽  
Author(s):  
Tae-Jung Ahn ◽  
Yongmin Jung ◽  
Kyunghwan Oh ◽  
Dug Young Kim
Keyword(s):  
Optical Fiber ◽  
Frequency Domain ◽  
Measurement Method ◽  
Chromatic Dispersion ◽  
Higher Order ◽  
Optical Frequency ◽  
Higher Order Modes ◽  
Dispersion Measurement

scholarly journals New optical frequency domain differential mode delay measurement method for a multimode optical fiber

2005 ◽  
Vol 13 (11) ◽  
pp. 4005 ◽  
Author(s):  
T.-J. Ahn ◽  
S. Moon ◽  
Y. Youk ◽  
Y. Jung ◽  
K. Oh ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Frequency Domain ◽  
Measurement Method ◽  
Optical Frequency ◽  
Differential Mode ◽  
Multimode Optical Fiber ◽  
Delay Measurement

scholarly journals An Optical Frequency Domain Angle Measurement Method Based on Second Harmonic Generation

Sensors ◽  
2021 ◽  
Vol 21 (2) ◽  
pp. 670
Author(s):  
Wijayanti Dwi Astuti ◽  
Hiraku Matsukuma ◽  
Masaru Nakao ◽  
Kuangyi Li ◽  
Yuki Shimizu ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Second Harmonic Generation ◽  
Frequency Domain ◽  
Harmonic Generation ◽  
Measurement Method ◽  
Second Harmonic ◽  
Angle Measurement ◽  
Laser Source ◽  
Optical Frequency ◽  
Measurable Range

This paper proposes a new optical angle measurement method in the optical frequency domain based on second harmonic generation with a mode-locked femtosecond laser source by making use of the unique characteristic of the high peak power and wide spectral range of the femtosecond laser pulses. To get a wide measurable range of angle measurement, a theoretical calculation for several nonlinear optical crystals is performed. As a result, LiNbO3 crystal is employed in the proposed method. In the experiment, the validity of the use of a parabolic mirror is also demonstrated, where the chromatic aberration of the focusing beam caused the localization of second harmonic generation in our previous research. Moreover, an experimental demonstration is also carried out for the proposed angle measurement method. The measurable range of 10,000 arc-seconds is achieved.

Higher order modes in acoustically antiguiding optical fiber

2012 ◽  
Vol 54 (10) ◽  
pp. 2347-2349 ◽  
Author(s):  
Peter D. Dragic ◽  
Pi-Cheng Law ◽  
Yuh-Shiuan Liu
Keyword(s):  
Optical Fiber ◽  
Higher Order ◽  
Higher Order Modes

Optical fiber-based dispersion compensation using higher order modes near cutoff

1994 ◽  
Vol 12 (10) ◽  
pp. 1746-1758 ◽  
Author(s):  
C.D. Poole ◽  
J.M. Wiesenfeld ◽  
D.J. DiGiovanni ◽  
A.M. Vengsarkar
Keyword(s):  
Optical Fiber ◽  
Dispersion Compensation ◽  
Higher Order ◽  
Higher Order Modes
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