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Continuous-wave broadly tunable high-power Cr:CdS laser.

作者信息

Sorokin E, Klimentov D, Frolov M P, Korostelin Yu V, Kozlovsky V I, Podmar'kov Yu P, Skasyrsky Ya K, Sorokina I T

机构信息

Institut für Photonik, TU Wien, Gusshausstrasse 27/387, 1040 Vienna, Austria.

Department of Physics, Norwegian University of Science and Technology, 7491 Trondheim, Norway.

出版信息

Appl Phys B. 2014;117(4):1009-1014. doi: 10.1007/s00340-014-5921-z. Epub 2014 Sep 14.

DOI:10.1007/s00340-014-5921-z
PMID:25834306
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4372838/
Abstract

We report spectroscopic characteristics and laser properties of the mid-infrared active laser medium Cr:CdS. Temperature-dependent absorption, luminescence and lifetime measurements of the E exited state allow determination of peak emission cross section value of 1.35 × 10 cm in -polarization at room temperature. Lifetime values vary from 7.6 µs at 8 K to 0.48 µs at 320 K, corresponding to 22 % quantum yield at 285 K. Under Tm-fiber laser pumping, the continuous-wave output reached 1.8 W at 2.5 μm with 35.5 % slope efficiency. With a single CaF prism, the CW Cr:CdS laser could be tuned from 2.240 to 3.285 µm.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/18700c26eced/340_2014_5921_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/7cdea49b06cf/340_2014_5921_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/147c1384e8dc/340_2014_5921_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/b035e2d6a865/340_2014_5921_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/d11c7394b19e/340_2014_5921_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/a2f4e903ee19/340_2014_5921_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/18700c26eced/340_2014_5921_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/7cdea49b06cf/340_2014_5921_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/147c1384e8dc/340_2014_5921_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/b035e2d6a865/340_2014_5921_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/d11c7394b19e/340_2014_5921_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/a2f4e903ee19/340_2014_5921_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f28/4372838/18700c26eced/340_2014_5921_Fig6_HTML.jpg

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本文引用的文献

1
Acetylene weak bands at 2.5 μm from intracavity Cr:ZnSe laser absorption observed with time-resolved Fourier transform spectroscopy.利用时间分辨傅里叶变换光谱法观测内腔式Cr:ZnSe激光器吸收产生的2.5微米乙炔弱带。
Chem Phys Lett. 2006 Feb 26;419(4-6):584-588. doi: 10.1016/j.cplett.2005.12.029.
2
N(2)O weak lines observed between 3900 and 4050 cm from long path absorption spectra.从长路径吸收光谱中观测到在3900至4050厘米之间的N(2)O弱线。
J Mol Spectrosc. 2006 Aug;238(2):256-259. doi: 10.1016/j.jms.2006.05.004.
3
Sensitive multiplex spectroscopy in the molecular fingerprint 2.4 mum region with a Cr(2+):ZnSe femtosecond laser.
利用Cr(2+):ZnSe飞秒激光在分子指纹2.4微米区域进行灵敏的多光谱分析。
Opt Express. 2007 Dec 10;15(25):16540-5. doi: 10.1364/oe.15.016540.
4
10-watt, pure continuous-wave, polycrystalline Cr2+:ZnS laser.10瓦纯连续波多晶Cr2+:ZnS激光器。
Opt Express. 2009 Feb 16;17(4):2048-56. doi: 10.1364/oe.17.002048.
5
Intracavity-pumped Cr2+:ZnSe laser with ultrabroad tuning range between 1880 and 3100 nm.
Opt Lett. 2006 Aug 1;31(15):2293-5. doi: 10.1364/ol.31.002293.
6
Time-resolved Fourier transform intracavity spectroscopy with a Cr2+:ZnSe laser.基于Cr2+:ZnSe激光器的时间分辨傅里叶变换腔内光谱技术。
Opt Lett. 2005 Dec 15;30(24):3410-2. doi: 10.1364/ol.30.003410.