New Lasing Mode of a Diode Laser: A 200-Picosecond Leading Edge of a Nanosecond Pulse
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F23%3A00368303" target="_blank" >RIV/68407700:21340/23:00368303 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.3103/S1068335623150125" target="_blank" >https://doi.org/10.3103/S1068335623150125</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3103/S1068335623150125" target="_blank" >10.3103/S1068335623150125</a>
Alternative languages
Result language
angličtina
Original language name
New Lasing Mode of a Diode Laser: A 200-Picosecond Leading Edge of a Nanosecond Pulse
Original language description
A unique rangefinder that, as far as we know, was not mentioned in previous publications has been studied. It is based on an injection diode laser with an eye-safe radiation density (below 1 μJ/cm2) and a single-photon avalanche diode (SPAD). A new lasing mode of the nanosecond laser with a 200-ps-long step at the leading edge of a 4-ns-long pulse with spatial extension of about 1.2 m has been implemented. It has been found that the discovered step of the optical pulse amplitude is initiated by a current avalanche in a field-effect transistor (FET) that switches capacitance discharge in the feed circuit of the diode laser. The detection of the 200-ps-long amplitude step by a quick-response SPAD detector (20 ns) improves the accuracy of the rangefinder by 12 times. The application of such rang finder to measure critical distances (shorter than the laser pulse extension), e.g., in the problems of space ship landing or docking and underwater robot rendezvous and approach has been discussed.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Bulletin of the Lebedev Physics Institute
ISSN
1068-3356
e-ISSN
1934-838X
Volume of the periodical
50
Issue of the periodical within the volume
Supl.3
Country of publishing house
RU - RUSSIAN FEDERATION
Number of pages
6
Pages from-to
"S383"-"S388"
UT code for WoS article
001062781200015
EID of the result in the Scopus database
2-s2.0-85169900277