SU120350A1 - The method of calibration of ultrasonic probes - Google Patents

The method of calibration of ultrasonic probes

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Publication number
SU120350A1
SU120350A1 SU594315A SU594315A SU120350A1 SU 120350 A1 SU120350 A1 SU 120350A1 SU 594315 A SU594315 A SU 594315A SU 594315 A SU594315 A SU 594315A SU 120350 A1 SU120350 A1 SU 120350A1
Authority
SU
USSR - Soviet Union
Prior art keywords
ultrasonic
calibration
ultrasonic probes
ultrasound
field
Prior art date
Application number
SU594315A
Other languages
Russian (ru)
Inventor
В.Л. Власов
Original Assignee
В.Л. Власов
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by В.Л. Власов filed Critical В.Л. Власов
Priority to SU594315A priority Critical patent/SU120350A1/en
Application granted granted Critical
Publication of SU120350A1 publication Critical patent/SU120350A1/en

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Description

Известен способ градуировки ультразвуковых щупов, меньших длины з.льтразвуковой волны, в ультразвуковых пол х, путем измерени  оптическим методом разности хода световых лучей, вносимой ультразвуковым полем.There is a method of calibrating ultrasonic probes shorter than the length of an ultrasonic wave in ultrasonic fields by measuring the optical path difference of light beams introduced by an ultrasonic field using an optical method.

Оптические методы измерени  разности хода световых лучей, вносимой ультразвуковым полем, основываютс  на одном из трех  влений: или на диффракции света на ультразвуке (метод диффракционных снектров), или на отклонении световых лучей на градиенте показател  преломлени , создаваемого ультразвуком, или смещением интерференционных полос при изменении показател  преломлени , вызываемого ультразвуком, в одном из плеч интерферометра.Optical methods for measuring the difference in the course of light rays introduced by an ultrasonic field are based on one of three phenomena: either on the diffraction of light by ultrasound (using diffraction spectrums), or on the deflection of light rays on the gradient of the refractive index produced by ultrasound, or by shifting the interference bands when the index of refraction caused by ultrasound in one of the arms of the interferometer.

Однако указанный способ при наличии изменени  амплитуды и фазы давлени  вдоль пути (например, при высоких частотах) не дает возможности определить давление в любой точке ультразвукового пол , а позвол ет получать лишь декоторое усредненное значение его.However, this method, in the presence of a change in the amplitude and phase of pressure along the path (for example, at high frequencies), makes it impossible to determine the pressure at any point of the ultrasonic field, but only allows decoding its average value.

В предлагаемом способе зтот недостаток устран етс .In the proposed method, this disadvantage is eliminated.

Это достигаетс  тем, что с помощью ультразвукового щупа определ ют функцию распределени  амплитуды и фазы напр жени , снимаемого с указанного щупа, при движении его вдоль пути светового луча в ультразвуковом поле.This is achieved by using the ultrasound probe to determine the distribution function of the amplitude and phase of the voltage taken from the specified probe as it moves along the path of the light beam in the ultrasonic field.

Предмет изобретени Subject invention

Способ градуировки ультразвуковых щупов, меньотих длины ультразвуковой волны,в Зльтразвуковых пол х путем измерени  оптическим методом разности хода световых лучей, вносимой ультразвуковым полем , о.т л и ч а ю щ и и с   тем, что, с целью измерени  давлени  в любой точке пол , определ ют с помощью ультразвукового щупа функцию распределени  амплитуды и фазы напр жени , снимаемого с указанного щупа при-движении- его .вдоль пути светового луча в ультразвуковом поле . . - . :The method of calibration of ultrasonic probes, a few ultrasonic wavelengths, in ultrasonic fields by measuring with an optical method the difference in the course of light rays introduced by the ultrasonic field, so that, in order to measure pressure at any point the field, using the ultrasound probe, determines the distribution function of the amplitude and phase of the voltage taken from the indicated probe as it moves along the path of the light beam in the ultrasound field. . -. :

SU594315A 1953-03-10 1953-03-10 The method of calibration of ultrasonic probes SU120350A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU594315A SU120350A1 (en) 1953-03-10 1953-03-10 The method of calibration of ultrasonic probes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU594315A SU120350A1 (en) 1953-03-10 1953-03-10 The method of calibration of ultrasonic probes

Publications (1)

Publication Number Publication Date
SU120350A1 true SU120350A1 (en) 1958-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU594315A SU120350A1 (en) 1953-03-10 1953-03-10 The method of calibration of ultrasonic probes

Country Status (1)

Country Link
SU (1) SU120350A1 (en)

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