An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm

This paper presents a KGW Raman laser with an external-cavity configuration in the 2 μm region. The Raman laser is pumped by unique, electro-optic, actively Q-switched Tm:Yap laser, emitting at 1935 nm. The electro-optic modulation is based on a KLTN crystal, enabling the use of a short crystal leng...

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Main Authors: Rotem Nahear, Neria Suliman, Yechiel Bach, Salman Noach
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Photonics
Subjects:
Online Access:https://www.mdpi.com/2304-6732/8/11/519
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author Rotem Nahear
Neria Suliman
Yechiel Bach
Salman Noach
author_facet Rotem Nahear
Neria Suliman
Yechiel Bach
Salman Noach
author_sort Rotem Nahear
collection DOAJ
description This paper presents a KGW Raman laser with an external-cavity configuration in the 2 μm region. The Raman laser is pumped by unique, electro-optic, actively Q-switched Tm:Yap laser, emitting at 1935 nm. The electro-optic modulation is based on a KLTN crystal, enabling the use of a short crystal length, with a relatively low driving voltage. Due to the KGW bi-axial properties, the Raman laser is able to lase separately at two different output wavelengths, 2273 and 2344 nm. The output energies and pulse durations for these two lines are 0.42 mJ/pulse at 18.2 ns, and 0.416 mJ/pulse at 14.7 ns, respectively. This is the first implementation of a KGW crystal pumped by an electro-optic active Q-switched Tm:Yap laser in the SWIR spectral range.
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spelling doaj.art-6599fb9ad7684e73bac86381c2f4a1862023-11-23T01:01:58ZengMDPI AGPhotonics2304-67322021-11-0181151910.3390/photonics8110519An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nmRotem Nahear0Neria Suliman1Yechiel Bach2Salman Noach3Department of Applied Physics, Electro-Optics Engineering Faculty, Jerusalem College of Technology, Jerusalem 9372115, IsraelDepartment of Applied Physics, Electro-Optics Engineering Faculty, Jerusalem College of Technology, Jerusalem 9372115, IsraelDepartment of Applied Physics, Electro-Optics Engineering Faculty, Jerusalem College of Technology, Jerusalem 9372115, IsraelDepartment of Applied Physics, Electro-Optics Engineering Faculty, Jerusalem College of Technology, Jerusalem 9372115, IsraelThis paper presents a KGW Raman laser with an external-cavity configuration in the 2 μm region. The Raman laser is pumped by unique, electro-optic, actively Q-switched Tm:Yap laser, emitting at 1935 nm. The electro-optic modulation is based on a KLTN crystal, enabling the use of a short crystal length, with a relatively low driving voltage. Due to the KGW bi-axial properties, the Raman laser is able to lase separately at two different output wavelengths, 2273 and 2344 nm. The output energies and pulse durations for these two lines are 0.42 mJ/pulse at 18.2 ns, and 0.416 mJ/pulse at 14.7 ns, respectively. This is the first implementation of a KGW crystal pumped by an electro-optic active Q-switched Tm:Yap laser in the SWIR spectral range.https://www.mdpi.com/2304-6732/8/11/519solid state laser2 μm laserRaman laserKGW crystalactive Q-switchelectro-optics
spellingShingle Rotem Nahear
Neria Suliman
Yechiel Bach
Salman Noach
An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm
Photonics
solid state laser
2 μm laser
Raman laser
KGW crystal
active Q-switch
electro-optics
title An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm
title_full An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm
title_fullStr An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm
title_full_unstemmed An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm
title_short An Electro-Optic, Actively Q-Switched Tm:YAP/KGW External-Cavity Raman Laser at 2273 nm and 2344 nm
title_sort electro optic actively q switched tm yap kgw external cavity raman laser at 2273 nm and 2344 nm
topic solid state laser
2 μm laser
Raman laser
KGW crystal
active Q-switch
electro-optics
url https://www.mdpi.com/2304-6732/8/11/519
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