Simple three-stage frequency-stabilized diode laser system using injection-locking and tapered amplifier

• Autorzy: Szonert Jerzy , Głódź Małgorzata , Kowalski Krzysztof

Identyfikatory

DOI

10.24425/opelre.2022.140146

• Języki publikacji: EN

Abstrakty

EN

We developed a three-stage, amplifying, tunable diode laser system that comprises a master laser in a Littrow configuration, frequency-stabilized by dichroic atomic vapour laser lock, acousto-optic frequency shifter, injection-locked slave laser, and tapered amplifier. The slave amplifies the injected frequency-shifted master beam while suppressing (within 0.5%) the strong dependence of its intensity on the acousto-optic frequency shifter carrier frequency, thus acting as a strongly saturated optical limiting amplifier with constant output power. The resulting beam is then amplified in a tapered amplifier. The system provides an output power above 700 mW at a wavelength of 780 nm, with a time-averaged linewidth of 0.6 MHz, and a frequency drift below 2 MHz/h. Dichroic atomic vapour laser lock enables frequency stabilization in the range of 400 MHz around D2 lines of rubidium. The mode-hop-free tuning range amounts to 2 GHz. Determined by the acousto-optic frequency shifter model used, the fine-tuning range (recision of few tens kHz) spans 70 MHz. A description of the system was presented and its performance was tested. The basic components have been designed in our laboratory.

Słowa kluczowe

EN

diode laser; optical injection-locking; master oscillator power amplifier; optical limiting amplifier; tapered amplifier

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2022
• Tom: Vol. 30, No. 1
• Strony: art. no. e140146
• Opis fizyczny: Bibliogr. 100 poz., rys., fot., wykr.

Twórcy

autor

Szonert Jerzy

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

• https://orcid.org/0000-0002-5437-293X

autor

Głódź Małgorzata

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

• https://orcid.org/0000-0003-3360-7303

autor

Kowalski Krzysztof

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

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