Diode-pumped Cr-doped ZnMnSe and ZnMgSe lasers

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F17%3A00316275" target="_blank" >RIV/68407700:21340/17:00316275 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1117/12.2292196" target="_blank" >http://dx.doi.org/10.1117/12.2292196</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/12.2292196" target="_blank" >10.1117/12.2292196</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Diode-pumped Cr-doped ZnMnSe and ZnMgSe lasers

Popis výsledku v původním jazyce

Chromium ions Cr2+ are known to have good fluorescence properties in the mid-infrared spectral region around the wavelength of 2.5 µm. The aim of this study was investigation of new laser crystal materials Zn0.95Mn0.05Se, Zn0.70Mn0.30Se, and Zn0.75Mg0.25Se doped by chromium ions and comparison of their characteristics. The spectroscopic parameters as absorption and fluorescence spectra were measured. The spontaneous emission spectra were in wavelength range from 2030 nm up to 2665 nm. The realized laser systems were pumped by a laser diode generating at the wavelength of 1.69 μm (pulse repetition rate 10 Hz, pulse width 2 ms). The longitudinal-pumped resonator was hemispherical with a output coupler radius of curvature 150 mm. The laser emission spectra were investigated and the highest intensity of emitted radiation was achieved at wavelengths 2451 nm, 2469 nm, and 2470 nm from Cr:Zn0.95Mn0.05Se, Cr:Zn0.70Mn0.30Se, and Cr:Zn0.75Mg0.25Se laser systems respectively. The input-output characteristics of laser systems were measured; the maximum output peak power 177 mW was obtained for Cr:Zn0.95Mn0.05Se laser system with slope efficiency of 6.3 % in respect to absorbed peak power. The output beam spatial structure was also studied and during measurements was stable. For the selection of the lasing wavelength, the single 1.5 mm thick silica plate was placed inside the optical resonator at the Brewster angle between the output coupler and laser active medium. This element provided the tuning wavelength range 2292–2593 nm, 2353–2540 nm, and 2424–2551 nm for Cr:Zn0.95Mn0.05Se, Cr:Zn0.70Mn0.30Se, and Cr:Zn0.75Mg0.25Se, respectively. The obtained spectral linewidth of the individual output radiation was ΔλFWWH ~ 10 nm.

Název v anglickém jazyce

Diode-pumped Cr-doped ZnMnSe and ZnMgSe lasers

Popis výsledku anglicky

Chromium ions Cr2+ are known to have good fluorescence properties in the mid-infrared spectral region around the wavelength of 2.5 µm. The aim of this study was investigation of new laser crystal materials Zn0.95Mn0.05Se, Zn0.70Mn0.30Se, and Zn0.75Mg0.25Se doped by chromium ions and comparison of their characteristics. The spectroscopic parameters as absorption and fluorescence spectra were measured. The spontaneous emission spectra were in wavelength range from 2030 nm up to 2665 nm. The realized laser systems were pumped by a laser diode generating at the wavelength of 1.69 μm (pulse repetition rate 10 Hz, pulse width 2 ms). The longitudinal-pumped resonator was hemispherical with a output coupler radius of curvature 150 mm. The laser emission spectra were investigated and the highest intensity of emitted radiation was achieved at wavelengths 2451 nm, 2469 nm, and 2470 nm from Cr:Zn0.95Mn0.05Se, Cr:Zn0.70Mn0.30Se, and Cr:Zn0.75Mg0.25Se laser systems respectively. The input-output characteristics of laser systems were measured; the maximum output peak power 177 mW was obtained for Cr:Zn0.95Mn0.05Se laser system with slope efficiency of 6.3 % in respect to absorbed peak power. The output beam spatial structure was also studied and during measurements was stable. For the selection of the lasing wavelength, the single 1.5 mm thick silica plate was placed inside the optical resonator at the Brewster angle between the output coupler and laser active medium. This element provided the tuning wavelength range 2292–2593 nm, 2353–2540 nm, and 2424–2551 nm for Cr:Zn0.95Mn0.05Se, Cr:Zn0.70Mn0.30Se, and Cr:Zn0.75Mg0.25Se, respectively. The obtained spectral linewidth of the individual output radiation was ΔλFWWH ~ 10 nm.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

<a href="/cs/project/GA15-05360S" target="_blank" >GA15-05360S: Vliv teploty na spektroskopické a laserové vlastnosti pevnolátkových aktivních materiálů pro viditelnou až střední infračervenou oblast</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Photonics, Devices, and Systems VII

ISBN

978-1-5106-1702-5

ISSN

0277-786X

e-ISSN

—

Počet stran výsledku

8

Strana od-do

—

Název nakladatele

SPIE

Místo vydání

Bellingham

Místo konání akce

Prague

Datum konání akce

28. 8. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000425429900037