Difference-frequency generation of tunable, coherent mid-infrared radiation in Ti:LiNbO_3 channel waveguides

1988 ◽  
Vol 5 (2) ◽  
pp. 278 ◽  
Author(s):  
H. Herrmann ◽  
W. Sohler
Keyword(s):  
Infrared Radiation ◽  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Mid Infrared ◽  
Channel Waveguides ◽  
Frequency Generation

Widely tunable continuous-wave mid-infrared radiation (55–11 µm) by difference-frequency generation in LiInS_2 crystal

2005 ◽  
Vol 44 (19) ◽  
pp. 4123 ◽  
Author(s):  
Weidong Chen ◽  
Emmanuelle Poullet ◽  
Jean Burie ◽  
Daniel Boucher ◽  
Markus W. Sigrist ◽  
...  
Keyword(s):  
Infrared Radiation ◽  
Continuous Wave ◽  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Mid Infrared ◽  
Frequency Generation

Difference Frequency Generation Wildly Tunable Continuous Wave Mid-infrared Radiation Laser Source Based on a MgO∶PPLN Crystal

2016 ◽  
Vol 45 (9) ◽  
pp. 914003
Author(s):  
张泽宇 ZHANG Ze-yu ◽  
朱国申 ZHU Guo-shen ◽  
汪伟 WANG Wei ◽  
段弢 DUAN Tao ◽  
杨松 YANG Song ◽  
...  
Keyword(s):  
Infrared Radiation ◽  
Continuous Wave ◽  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Laser Source ◽  
Mid Infrared ◽  
Ppln Crystal ◽  
Frequency Generation

Watt-level mid-infrared radiation via self-seeded difference-frequency generation from a pre-chirp managed femtosecond Yb-fiber amplifier

2017 ◽  
Vol 56 (6) ◽  
pp. 1574 ◽  
Author(s):  
Chengzhi Hu ◽  
Wenjie Yue ◽  
Tao Chen ◽  
Peipei Jiang ◽  
Bo Wu ◽  
...  
Keyword(s):  
Infrared Radiation ◽  
Difference Frequency Generation ◽  
Fiber Amplifier ◽  
Difference Frequency ◽  
Mid Infrared ◽  
Frequency Generation

scholarly journals Spectroscopic Imaging with an Ultra-Broadband (1–4 THz) Compact Terahertz Difference-Frequency Generation Source

Electronics ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 336
Author(s):  
Atsushi Nakanishi ◽  
Shohei Hayashi ◽  
Hiroshi Satozono ◽  
Kazuue Fujita
Keyword(s):  
Imaging Technique ◽  
Spectroscopic Imaging ◽  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Quality Monitoring ◽  
Terahertz Emission ◽  
Mid Infrared ◽  
Quantum Cascade ◽  
Frequency Generation ◽  
Multi Mode

We demonstrate spectroscopic imaging using a compact ultra-broadband terahertz semiconductor source with a high-power, mid-infrared quantum cascade laser. The electrically pumped monolithic source is based on intra-cavity difference-frequency generation and can be designed to achieve an ultra-broadband multi-mode terahertz emission spectrum extending from 1–4 THz without any external optical setup. Spectroscopic imaging was performed with three frequency bands, 2.0 THz, 2.5 THz and 3.0 THz, and as a result, this imaging technique clearly identified three different tablet components (polyethylene, D-histidine and DL-histidine). This method may be highly suitable for quality monitoring of pharmaceutical materials.

scholarly journals Flexible Electro-Optic, Single-Crystal Difference Frequency Generation Architecture for Ultrafast Mid-Infrared Dual-Comb Spectroscopy

ACS Photonics ◽  
2018 ◽  
Vol 5 (6) ◽  
pp. 2348-2353 ◽  
Author(s):  
Borja Jerez ◽  
Pedro Martín-Mateos ◽  
Frederik Walla ◽  
Cristina de Dios ◽  
Pablo Acedo
Keyword(s):  
Single Crystal ◽  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Mid Infrared ◽  
Electro Optic ◽  
Frequency Generation
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