Ultraviolet broadband (190-450 nm) nonlinear frequency conversion in optical fibers for biomedical use

2002 ◽  
Author(s):  
I.K. Ilev ◽  
R.W. Waynant ◽  
M.N. Ediger
Keyword(s):  
Optical Fibers ◽  
Frequency Conversion ◽  
Nonlinear Frequency ◽  
Nonlinear Frequency Conversion

scholarly journals Active Optical Fibers and Components for Fiber Lasers Emitting in the 2-μm Spectral Range

Materials ◽  
2020 ◽  
Vol 13 (22) ◽  
pp. 5177 ◽  
Author(s):  
Filip Todorov ◽  
Jan Aubrecht ◽  
Pavel Peterka ◽  
Ondřej Schreiber ◽  
Ali A. Jasim ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Spectral Range ◽  
Fiber Lasers ◽  
Frequency Conversion ◽  
Gas Sensing ◽  
Infrared Range ◽  
Nonlinear Frequency ◽  
Nonlinear Frequency Conversion ◽  
First Choice ◽  
First Results

Laser sources emitting in the infrared range at around 2 µm are attracting great interest for a variety of applications like processing of transparent thermoplastic polymers in industry as well as plenty of applications in medicine, spectroscopy, gas sensing, nonlinear frequency conversion to the mid-infrared, to mention a few. Of late, fiber lasers compared to other kinds of lasers benefit from their all-fiber design, leading to a compact, robust, and well thermally manageable device. Particularly, thulium- and holmium-doped fiber lasers are the first choice in fiber lasers emitting light around 2 µm. In this paper, we give an overview of our recent results in the research on thulium- and holmium-doped optical fibers, fiber lasers, and related research topics in the 2-µm spectral range. In particular, we present, to our knowledge, the first results of improvement of pump absorption in double-clad fibers thanks to the fiber twist frozen during drawing. Finally, a brief demonstration of material processing by thulium all-fiber laser operating at 2 µm is presented.

New Principle, Platform, and Application of Nonlinear Frequency Conversion

2021 ◽  
Vol 41 (1) ◽  
pp. 0119001
Author(s):  
陈险峰 Chen Xianfeng ◽  
郑远林 Zheng Yuanlin ◽  
刘海港 Liu Haigang ◽  
刘时杰 Liu Shijie ◽  
李渊华 Li Yuanhua ◽  
...  
Keyword(s):  
Frequency Conversion ◽  
Nonlinear Frequency ◽  
Nonlinear Frequency Conversion

Diode laser systems based on nonlinear frequency conversion

2018 ◽  
pp. 209-245
Author(s):  
Ole Bjarlin Jensen ◽  
Anders Kragh Hansen ◽  
Christian Pedersen ◽  
Peter E. Andersen ◽  
Paul Michael Petersen
Keyword(s):  
Diode Laser ◽  
Frequency Conversion ◽  
Nonlinear Frequency ◽  
Nonlinear Frequency Conversion ◽  
Laser Systems

Research Progress of Nonlinear Frequency Conversion Technology Based on Fiber Femtosecond Lasers

2018 ◽  
Vol 55 (4) ◽  
pp. 040001
Author(s):  
赵君 Zhao Jun ◽  
胡明列 Hu Minglie ◽  
范锦涛 Fan Jintao ◽  
刘博文 Liu Bowen ◽  
宋有建 Song Youjian ◽  
...  
Keyword(s):  
Frequency Conversion ◽  
Femtosecond Lasers ◽  
Research Progress ◽  
Nonlinear Frequency ◽  
Nonlinear Frequency Conversion ◽  
Conversion Technology
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