JPS5496089A - Spectral analytical apparatus - Google Patents

Spectral analytical apparatus

Info

Publication number
JPS5496089A
JPS5496089A JP296978A JP296978A JPS5496089A JP S5496089 A JPS5496089 A JP S5496089A JP 296978 A JP296978 A JP 296978A JP 296978 A JP296978 A JP 296978A JP S5496089 A JPS5496089 A JP S5496089A
Authority
JP
Japan
Prior art keywords
light
nondiffracted
filter
dispersing element
diffracted
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP296978A
Other languages
Japanese (ja)
Other versions
JPS6131413B2 (en
Inventor
Nobuo Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP296978A priority Critical patent/JPS5496089A/en
Publication of JPS5496089A publication Critical patent/JPS5496089A/en
Publication of JPS6131413B2 publication Critical patent/JPS6131413B2/ja
Granted legal-status Critical Current

Links

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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/1256—Generating the spectrum; Monochromators using acousto-optic tunable filter

Abstract

PURPOSE:To make passible the measurement of the light intensity accurately without difficulty of correctly monitoring the light intensity entering the dispersing element, by using an acousto-optical filter as the dispersing element. CONSTITUTION:A multispectral light 6 from a light source 1 is intensified in an intermediate optical system 2 to be transformed into parallel beams, and enters an acousto-optical filter 3, which is a dispersing element. The filter 3 transmits the light by dividing into a diffracted light 7 corresponding to the frequency generated from a filter driving circuit 5, and a nondiffracted light 8 which does not satisfy the conditions of diffraction. Since the incident light 6 is divided into diffracted light 7 and nondiffracted light 8 and the light intensity may be measured independently, the spectral light may be measured precisely, by finding and monitoring the sum of the light intensities of diffracted light 7 and nondiffracted light 8 with respect to the changes in the light intensity due to fluctuations in the light source or deviation of discharging column and optical system through a computer circuit.
JP296978A 1978-01-13 1978-01-13 Spectral analytical apparatus Granted JPS5496089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP296978A JPS5496089A (en) 1978-01-13 1978-01-13 Spectral analytical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP296978A JPS5496089A (en) 1978-01-13 1978-01-13 Spectral analytical apparatus

Publications (2)

Publication Number Publication Date
JPS5496089A true JPS5496089A (en) 1979-07-30
JPS6131413B2 JPS6131413B2 (en) 1986-07-19

Family

ID=11544192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP296978A Granted JPS5496089A (en) 1978-01-13 1978-01-13 Spectral analytical apparatus

Country Status (1)

Country Link
JP (1) JPS5496089A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203767A2 (en) * 1985-05-20 1986-12-03 Rosemount Analytical Inc. Improved automated acousto-optic infra-red analyzer system for monotoring stack emissions
WO2011127606A1 (en) * 2010-04-15 2011-10-20 9223-0523 Quebec Inc. Water wave breaker assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203767A2 (en) * 1985-05-20 1986-12-03 Rosemount Analytical Inc. Improved automated acousto-optic infra-red analyzer system for monotoring stack emissions
WO2011127606A1 (en) * 2010-04-15 2011-10-20 9223-0523 Quebec Inc. Water wave breaker assembly
US8851793B2 (en) 2010-04-15 2014-10-07 9223-0523 Quebec Inc. Water wave breaker assembly

Also Published As

Publication number Publication date
JPS6131413B2 (en) 1986-07-19

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