Efficient synchronously-pumped all-solid-state SrWO4 Raman laser at 1178 and 1227 nm on single and combined Raman modes with 26-fold pulse shortening down to 1.4 ps

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F19%3A00339568" target="_blank" >RIV/68407700:21340/19:00339568 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1117/12.2520932" target="_blank" >https://doi.org/10.1117/12.2520932</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1117/12.2520932" target="_blank" >10.1117/12.2520932</a>

Result language
angličtina
Original language name
Efficient synchronously-pumped all-solid-state SrWO4 Raman laser at 1178 and 1227 nm on single and combined Raman modes with 26-fold pulse shortening down to 1.4 ps
Original language description
In this paper, the characteristics of synchronously pumped picosecond Raman laser based on the 36 mm long SrWO4 crystal at the shifts of nu(1) = 921 cm(-1) and nu(2) = 336 cm(-1) under 36-ps extracavity pumping are presented. The first Stokes at the wavelength of 1178 nm, corresponding to the Raman shift of nu(1), with the slope efficiency of 45.1%, output energy of up to 40 nJ, and pulse duration of 33 ps, respectively, was achieved for the output coupler reflectivity of 89%. In the case of setup with the higher cavity Q-factor at 1178 nm, we obtained not only usual nu(1)- shifted Raman radiation at 1178 nm, but also the unusual line at the wavelength of 1227 nm (nu(1) + nu(2)). This additional line was achieved with the slope efficiency of 18.1 % and the output energy of 15 nJ with the output coupler reflectivity of 96.5% at 1227 nm. Strong pulse shortening from 36 ps down to 1.4 ps at the wavelength of 1227 nm was observed at +50 mu m positive detuning of the external cavity length. This value is close to the inverse value of the nu(2) line.
Czech name
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Czech description
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Project
<a href="/en/project/GA18-11954S" target="_blank" >GA18-11954S: Optimization of the solid-state laser active materials for spectral range from near- up to mid-infrared</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proc. SPIE 11026, Nonlinear Optics and Applications XI
ISBN
978-1-5106-2718-5
ISSN
0277-786X
e-ISSN
1996-756X
Number of pages
7
Pages from-to
—
Publisher name
SPIE
Place of publication
Bellingham (stát Washington)
Event location
Praha
Event date
Apr 1, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000502076900032

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