In-plane diffraction loss free optical cavity using coated optical fiber and silicon micromachined spherical mirror

2013 ◽  
Author(s):  
Yasser Sabry ◽  
Tarik Bourouina ◽  
Bassam Saadany ◽  
Diaa Khalil
Keyword(s):  
Optical Fiber ◽  
Optical Cavity ◽  
Spherical Mirror ◽  
Diffraction Loss ◽  
Plane Diffraction

Realignment-free cryogenic macroscopic optical cavity coupled to an optical fiber

2022 ◽  
Vol 93 (1) ◽  
pp. 013103
Author(s):  
Vitaly Fedoseev ◽  
Matteo Fisicaro ◽  
Harmen van der Meer ◽  
Wolfgang Löffler ◽  
Dirk Bouwmeester
Keyword(s):  
Optical Fiber ◽  
Optical Cavity

scholarly journals Observation of terahertz coherent edge radiation amplified by infrared free-electron laser oscillations

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Norihiro Sei ◽  
Takeshi Sakai ◽  
Yasushi Hayakawa ◽  
Yoske Sumitomo ◽  
Kyoko Nogami ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Electron Distribution ◽  
Optical Cavity ◽  
Terahertz Range ◽  
Diffraction Loss ◽  
Coupling Device ◽  
Edge Radiation ◽  
Excellent Tool

AbstractA coupling device, which can extract coherent edge radiation (CER) from an optical cavity for a free-electron laser (FEL) without damaging the FEL due to diffraction loss, was developed at Nihon University. We successfully observed the CER beam with a power of 1 mW or more in the terahertz range during FEL oscillation. It is revealed that the CER power changed with the detuning of the optical cavity and the dependence of the CER power on the detuning length differs from that of the FEL power. The measured CER spectra indicate that the longitudinal electron distribution in a bunch is modulated by the FEL oscillation with a period corresponding to the FEL slippage length. We herein report the characteristics of the CER with FEL oscillation in detail. These results demonstrate that the CER is excellent tool to reveal the overall effect of FEL interaction on electron distribution in a bunch.

Bending loss formulas for step-index optical fiber and their applicable regions

1981 ◽  
Vol 64 (10) ◽  
pp. 95-103
Author(s):  
Kiyonobu Kusano ◽  
Shigeo Nishida
Keyword(s):  
Optical Fiber ◽  
Step Index ◽  
Bending Loss

Heating and Burning of Optical Fibers and Cables by Light Scattered from Bubble Train Formed by Optical Fiber Fuse

2012 ◽  
Vol E95.B (8) ◽  
pp. 2638-2641 ◽  
Author(s):  
Makoto YAMADA ◽  
Akisumi TOMOE ◽  
Takahiro KINOSHITA ◽  
Osanori KOYAMA ◽  
Yutaka KATUYAMA ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Optical Fibers
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