JPS5226242A - Unit for analysing the distribution of a light mode - Google Patents

Unit for analysing the distribution of a light mode

Info

Publication number
JPS5226242A
JPS5226242A JP10230675A JP10230675A JPS5226242A JP S5226242 A JPS5226242 A JP S5226242A JP 10230675 A JP10230675 A JP 10230675A JP 10230675 A JP10230675 A JP 10230675A JP S5226242 A JPS5226242 A JP S5226242A
Authority
JP
Japan
Prior art keywords
distribution
analysing
unit
light mode
angular distribution
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.)
Pending
Application number
JP10230675A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Tatsuta
Masahiro Ikeda
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10230675A priority Critical patent/JPS5226242A/en
Publication of JPS5226242A publication Critical patent/JPS5226242A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To use a convex lens for Fourier transformation and a space filter to convert the angular distribution of light emanating from a fiber into a space distribution so that the angular distribution is immendiately displayed.
COPYRIGHT: (C)1977,JPO&Japio
JP10230675A 1975-08-22 1975-08-22 Unit for analysing the distribution of a light mode Pending JPS5226242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10230675A JPS5226242A (en) 1975-08-22 1975-08-22 Unit for analysing the distribution of a light mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10230675A JPS5226242A (en) 1975-08-22 1975-08-22 Unit for analysing the distribution of a light mode

Publications (1)

Publication Number Publication Date
JPS5226242A true JPS5226242A (en) 1977-02-26

Family

ID=14323914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10230675A Pending JPS5226242A (en) 1975-08-22 1975-08-22 Unit for analysing the distribution of a light mode

Country Status (1)

Country Link
JP (1) JPS5226242A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011085A1 (en) * 1988-04-18 1989-11-16 3D Systems, Inc. Stereolithographic beam profiling
US5495328A (en) * 1988-04-18 1996-02-27 3D Systems, Inc. Apparatus and method for calibrating and normalizing a stereolithographic apparatus
US5499094A (en) * 1994-12-21 1996-03-12 Eastman Kodak Company Apparatus and method for measuring the length and width of a spot of light utilizing two different masks

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843945A (en) * 1971-10-07 1973-06-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843945A (en) * 1971-10-07 1973-06-25

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011085A1 (en) * 1988-04-18 1989-11-16 3D Systems, Inc. Stereolithographic beam profiling
US5495328A (en) * 1988-04-18 1996-02-27 3D Systems, Inc. Apparatus and method for calibrating and normalizing a stereolithographic apparatus
US5499094A (en) * 1994-12-21 1996-03-12 Eastman Kodak Company Apparatus and method for measuring the length and width of a spot of light utilizing two different masks

Similar Documents

Publication Publication Date Title
JPS5425747A (en) Zoom lens system
JPS5226242A (en) Unit for analysing the distribution of a light mode
JPS51131627A (en) Optical instrument
JPS5430856A (en) Light source device
JPS51120242A (en) Fiber diameter measuring instrument
JPS51141585A (en) Process for producing a photosemiconductor unit
JPS5379652A (en) Stand type hair dryer
SU620835A1 (en) Burner to atom-absorption spectrophotometer
JPS51151557A (en) Light propagating mode filter
JPS5440095A (en) Display unit with illumination
JPS5238943A (en) Multi-focus lens
JPS5439647A (en) Optical branching device of optical fibers
JPS51136792A (en) Flame resistant polyester preparation
JPS52141251A (en) Mode distribution analysing apparatus
JPS53137353A (en) Center of axis positioning and its device
JPS53129331A (en) Monitoring device and collective monitoring system of combustion apparatus
JPS51120723A (en) Objective lens for deplicating
JPS51145216A (en) Hood for television set and the like
JPS51151143A (en) Optical filter device
JPS5361998A (en) Display device
JPS53140379A (en) Lens dyeing device
JPS52118368A (en) Stand for toilet mirror
JPS51124923A (en) Large diameter ratio reflection objective lens system
JPS5262033A (en) Optical fiber bunchi for image transmission
JPS51114948A (en) Optical branching filter