Малогабаритный эрбиевый лазерный излучатель с диодной накачкой и акустооптической модуляцией добротности

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Малогабаритный эрбиевый лазерный излучатель с диодной накачкой…
ISSN 0236-3933. Вестник МГТУ им. Н.Э. Баумана. Сер. Приборостроение. 2017. № 5 29
Abstract Keywords
The work focuses on the design method of erbium-glass
pulse laser emitter, working in eye-safe wavelength range
(1540 nm), with an acousto-optic crystal quartz shutter.
The study shows that if the driving power supplied to the
acousto-optic shutter is 25 W, diffraction efficiency can
reach no less than 0.45 that can be considered as acceptable
value for vibration damping in low gain active medium of
erbium-glass laser. We used the system of active medium
rate equations to create an erbium-glass laser model that
can make optimization of laser emitter output characteris-
tics. Within our research we designed and created an ex-
perimental model sample of erbium-glass acousto-optic
shuttered laser, emitting pulses with duration 16 ns, energy
15 mJ and frequency 2…5 Hz. Findings of the research can
be successfully used for perfection of pulse laser rangefin-
der characteristics
Erbium-glass laser emitter, design
method, acousto-optic shutter, dif-
fraction efficiency, laser rangefinder
Received 07.02.2017
© BMSTU, 2017
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