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Creation of a two-frequency ultraviolet radiation source for the ozone tropospheric lidar
Link to Contact Information (Only For Members of GetOwner Role)
Ref: TO
2431
Submission Date:
12/02/2019
Active before:
31/12/2021
Contact Information
Department:
The Department of Physics, Mathematics and Informatics
Organization:
The State Scientific Institution "The B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus"
Name:
Jarnikova Ekaterina
Email:
ifanbel@ifanbel.bas-net.by
Telephone:
+375172841750
Link to website:
[url]http://ifanbel.bas-net.by/[/url]
Link to the corresponding profile in Russian
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Summary
As a result of the project implementation, it is proposed to create a compact solid-state two-frequency (281 and 355 nm) ultraviolet source of radiation for applications in lidar stations intended for ozone distribution sounding in troposphere, including in the vicinity of industrial enterprises. The technology for creating a radiation source is based on the use of a diode-pumped Nd:YAG laser and nonlinear optical effects (harmonics generation and stimulated Raman scattering).
Description
The two-frequency radiation source includes a pulsed Nd:YAG laser with second and third harmonic generators, a Raman laser on a barium nitrate crystal generating radiation with a wavelength near 562 nm, a second harmonic generator converting this radiation to the ultraviolet (UV) range, and an opto-mechanical system for forming two parallel propagating beams with wavelengths of 355 and 281 nm.
Technology Type
Design
Technology Benefits
Advantages of the proposed approach are the possibility of creating an all-solid-state laser system, its compactness. The radiation at both wavelengths (281 and 355 nm) is determined by physical properties of the laser and nonlinear optical crystals used and does not require special stabilization measures. It is possible to create a mobile version of the source. Such sources can be used to create national ozone monitoring systems.
Technology Differentiation and Uniqueness
• Development and creation of a diode-pumped Nd:YAG laser with second and third harmonic generators;[br][/br]• Optical design of a nonlinear optical converter based on stimulated Raman scattering (Raman laser) and investigation of its characteristics;[br][/br]• Development and realization of a model of a two-frequency radiation source for use in the ozone tropospheric lidar;[br][/br]
Technological Keywords
Lasers, stimulated Raman scattering, crystals, UV radiation
Development Stage
Experimental development stage (laboratory prototype)
Intellectual Property Rights
Secret Know-How
Range of Applications
two-frequency ultraviolet radiation source for the ozone tropospheric lidar
Classifier Used at the Enterprise Europe Network
Environment
Classifier Used at the Technology Transfer Network of yet2.com Inc.
Environmental
Instrumentation
Optics
Physics
Preferable Regions
North America
South America
Europe
Asia
Africa
Australia
Practical Experience
The team from B.I. Stepanov Institute of Physics holds know-how for creation of two-frequency ultraviolet (UV) solid-state radiation source for using in ozone lidar. Previously, this team created a similar source based on an excimer Xe-Cl laser and a Raman laser on compressed hydrogen.
Environmental Impact
no
Type of Collaboration Sought
R&D Contract
Terms&Restrictions
no
Available Technical Assistance
Documentation
Personnel
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