RU2016101669A - HIGH-PRECISION MULTI-CHANNEL DEVICE FOR MEASURING THE ENERGY OF SHORT LASER PULSES - Google Patents

HIGH-PRECISION MULTI-CHANNEL DEVICE FOR MEASURING THE ENERGY OF SHORT LASER PULSES Download PDF

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Publication number
RU2016101669A
RU2016101669A RU2016101669A RU2016101669A RU2016101669A RU 2016101669 A RU2016101669 A RU 2016101669A RU 2016101669 A RU2016101669 A RU 2016101669A RU 2016101669 A RU2016101669 A RU 2016101669A RU 2016101669 A RU2016101669 A RU 2016101669A
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RU
Russia
Prior art keywords
measuring
energy
frri
optical
laser pulses
Prior art date
Application number
RU2016101669A
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Russian (ru)
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RU2626315C2 (en
Inventor
Михаил Владимирович Улановский
Аркадий Михайлович Райцин
Виктор Семенович Хлопов
Original Assignee
Федеральное государственное унитарное предприятие "ВСЕРОССИЙСКИЙ НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ИНСТИТУТ ОПТИКО-ФИЗИЧЕСКИХ ИЗМЕРЕНИЙ" (ФГУП "ВНИИОФИ")
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Application filed by Федеральное государственное унитарное предприятие "ВСЕРОССИЙСКИЙ НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ИНСТИТУТ ОПТИКО-ФИЗИЧЕСКИХ ИЗМЕРЕНИЙ" (ФГУП "ВНИИОФИ") filed Critical Федеральное государственное унитарное предприятие "ВСЕРОССИЙСКИЙ НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ИНСТИТУТ ОПТИКО-ФИЗИЧЕСКИХ ИЗМЕРЕНИЙ" (ФГУП "ВНИИОФИ")
Priority to RU2016101669A priority Critical patent/RU2626315C2/en
Publication of RU2016101669A publication Critical patent/RU2016101669A/en
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Publication of RU2626315C2 publication Critical patent/RU2626315C2/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0425—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0474—Diffusers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains

Claims (1)

Высокоточное многоканальное устройство для измерения энергии коротких лазерных импульсов, включающее измерительно-вычислительный блок, отличающееся тем, что устройство содержит диффузный формирователь равномерного распределения интенсивности (ФРРИ), включающий соосно расположенные по ходу лазерного излучения двояковогнутую линзу, диффузно пропускающую выпукло-вогнутую линзу из молочного стекла, закрепленную на входном окне полого фотометрического цилиндра, выполненного из металла, внутренняя поверхность которого покрыта диффузно отражающим покрытием, и диффузно пропускающую пластину из молочного стекла, закрепленную на выходном окне ФРРИ, в центральной части которого размещен вход световолоконного коллектора, представляющего собой светопроводы, содержащие по меньшей мере два оптических волокна, заключенных во входную оправу, установленную на выходе ФРРИ в центральной его части, и в выходные оправы, разветвляющие оптический поток излучения по крайней мере на два канала для измерения энергии излучения на разных длинах волн, для чего на выходах световолоконного коллектора расположены спектральные фильтры и нейтральные ослабители, согласованные по спектру и уровню оптического сигнала с характеристиками соответствующих фотодиодов, переключаемых с помощью коммутатора, а измерительно-вычислительный блок включает интегрирующее устройство, усилитель, пиковый детектор, аналого-цифровой преобразователь, микропроцессор и индикатор.A high-precision multi-channel device for measuring the energy of short laser pulses, including a measuring and computing unit, characterized in that the device contains a diffuse generator of uniform intensity distribution (FRRI), including a biconcave lens coaxially located along the laser radiation, diffusely transmitting a convex-concave milk glass lens mounted on the entrance window of a hollow photometric cylinder made of metal, the inner surface of which is covered with diffusion about a reflective coating, and a diffusely transmitting plate of milk glass mounted on the exit window of the FRRI, in the central part of which is located the entrance of the fiber optic collector, which is a light guide containing at least two optical fibers enclosed in an input frame installed at the exit of the FRRI in the central parts of it, and into output frames, branching the optical radiation flux into at least two channels for measuring the radiation energy at different wavelengths, for which purpose at the outputs of the optical fiber The collector contains spectral filters and neutral attenuators, matched according to the spectrum and level of the optical signal with the characteristics of the corresponding photodiodes switched using a switch, and the measuring and computing unit includes an integrating device, an amplifier, a peak detector, an analog-to-digital converter, a microprocessor, and an indicator.
RU2016101669A 2016-01-20 2016-01-20 High-speed multichannel device for energy measuring short laser pulses RU2626315C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016101669A RU2626315C2 (en) 2016-01-20 2016-01-20 High-speed multichannel device for energy measuring short laser pulses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016101669A RU2626315C2 (en) 2016-01-20 2016-01-20 High-speed multichannel device for energy measuring short laser pulses

Publications (2)

Publication Number Publication Date
RU2016101669A true RU2016101669A (en) 2017-07-24
RU2626315C2 RU2626315C2 (en) 2017-07-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016101669A RU2626315C2 (en) 2016-01-20 2016-01-20 High-speed multichannel device for energy measuring short laser pulses

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RU (1) RU2626315C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2761890C1 (en) * 2020-12-17 2021-12-13 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Device for measuring peak values

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242581A (en) * 1979-03-01 1980-12-30 The United States Of America As Represented By The Secretary Of The Army Laser energy monitor
SU1717973A1 (en) * 1989-08-01 1992-03-07 Научно-Технический Кооператив "Хронограф" Device for measuring power of transmitted laser radiation
ATE443851T1 (en) * 2006-06-06 2009-10-15 Hartmut Schroeder METHOD AND DEVICE FOR CHARACTERIZING FS LASER PULSES
RU2381461C1 (en) * 2008-07-31 2010-02-10 Закрытое Акционерное Общество "БИОСПЕК" Laser radiation power metre

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