RU2018143568A - Device for laser-acoustic control of solid and liquid media - Google Patents

Device for laser-acoustic control of solid and liquid media Download PDF

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Publication number
RU2018143568A
RU2018143568A RU2018143568A RU2018143568A RU2018143568A RU 2018143568 A RU2018143568 A RU 2018143568A RU 2018143568 A RU2018143568 A RU 2018143568A RU 2018143568 A RU2018143568 A RU 2018143568A RU 2018143568 A RU2018143568 A RU 2018143568A
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RU
Russia
Prior art keywords
optical
laser
solid
liquid media
acoustic control
Prior art date
Application number
RU2018143568A
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Russian (ru)
Other versions
RU2732470C2 (en
RU2018143568A3 (en
Inventor
Юрий Васильевич Судьенков
Иван Валерьевич Смирнов
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет (СПбГУ)"
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Application filed by Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет (СПбГУ)" filed Critical Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет (СПбГУ)"
Priority to RU2018143568A priority Critical patent/RU2732470C2/en
Priority to EA201900535A priority patent/EA038939B1/en
Publication of RU2018143568A publication Critical patent/RU2018143568A/en
Publication of RU2018143568A3 publication Critical patent/RU2018143568A3/ru
Application granted granted Critical
Publication of RU2732470C2 publication Critical patent/RU2732470C2/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Claims (1)

Устройство для лазерно-акустического контроля твердых и жидких сред, содержащее импульсный лазер, соединенный через оптоволокно с оптико-акустическим преобразователем, а также пьезоприемник, соединенный через усилитель с аналого-цифровым преобразователем, подключенным к компьютеру, отличающееся тем, что оптико-акустический преобразователь выполнен в виде герметичного цилиндрического корпуса с прозрачной контактной жидкостью и основанием, выполненным в виде пленочного оптико-акустического генератора при контроле сред, поглощающих оптическое излучение, и в виде оптически прозрачной пленки при контроле сред со слабым поглощением оптического излучения, а пьезоприемник и соединение с оптоволокном для ввода лазерного излучения располагается в противоположном основании корпуса.A device for laser-acoustic control of solid and liquid media, containing a pulsed laser connected through an optical fiber to an optical-acoustic transducer, as well as a piezo receiver connected via an amplifier to an analog-to-digital converter connected to a computer, characterized in that the optical-acoustic transducer is made in the form of a sealed cylindrical housing with a transparent contact fluid and a base made in the form of a film optical-acoustic generator for monitoring media that absorb optical radiation, and in the form of an optically transparent film for monitoring media with weak absorption of optical radiation, and a piezoelectric receiver and connection with optical fiber for input laser radiation is located in the opposite base of the housing.
RU2018143568A 2018-12-07 2018-12-07 Device for laser-acoustic control of solid and liquid media RU2732470C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2018143568A RU2732470C2 (en) 2018-12-07 2018-12-07 Device for laser-acoustic control of solid and liquid media
EA201900535A EA038939B1 (en) 2018-12-07 2019-11-26 Device for laser acoustic monitoring of solid and liquid media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2018143568A RU2732470C2 (en) 2018-12-07 2018-12-07 Device for laser-acoustic control of solid and liquid media

Publications (3)

Publication Number Publication Date
RU2018143568A true RU2018143568A (en) 2020-06-08
RU2018143568A3 RU2018143568A3 (en) 2020-06-08
RU2732470C2 RU2732470C2 (en) 2020-09-17

Family

ID=71067161

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2018143568A RU2732470C2 (en) 2018-12-07 2018-12-07 Device for laser-acoustic control of solid and liquid media

Country Status (2)

Country Link
EA (1) EA038939B1 (en)
RU (1) RU2732470C2 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU107703A1 (en) * 1956-10-31 1956-11-30 И.М. Грачева Laboratory instrument for the extraction of the test substance
JPH10288607A (en) * 1997-04-15 1998-10-27 Mitsubishi Heavy Ind Ltd Ultrasonic sensor
RU2232983C2 (en) * 2002-10-02 2004-07-20 Белов Михаил Алексеевич Method and device for laser-acoustic test of solid materials
AU2007272919B2 (en) * 2006-07-11 2012-11-29 The Curators Of The University Of Missouri Photo-acoustic detection device and method
EP2422185A4 (en) * 2009-04-20 2013-02-13 Univ Missouri Photoacoustic detection of analytes in solid tissue and detection system
US20130338475A1 (en) * 2012-06-13 2013-12-19 Seno Medical Instruments, Inc. Optoacoustic imaging system with fiber optic cable
US10433732B2 (en) * 2011-11-02 2019-10-08 Seno Medical Instruments, Inc. Optoacoustic imaging system having handheld probe utilizing optically reflective material
CN208432970U (en) * 2017-11-27 2019-01-25 信利光电股份有限公司 A kind of curved touch screen and electronic display unit

Also Published As

Publication number Publication date
RU2732470C2 (en) 2020-09-17
RU2018143568A3 (en) 2020-06-08
EA201900535A3 (en) 2020-11-30
EA201900535A2 (en) 2020-08-31
EA038939B1 (en) 2021-11-12

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