JPS6415785A - Hologram - Google Patents

Hologram

Info

Publication number
JPS6415785A
JPS6415785A JP17169987A JP17169987A JPS6415785A JP S6415785 A JPS6415785 A JP S6415785A JP 17169987 A JP17169987 A JP 17169987A JP 17169987 A JP17169987 A JP 17169987A JP S6415785 A JPS6415785 A JP S6415785A
Authority
JP
Japan
Prior art keywords
face
hologram
substrate
inspected
light
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
JP17169987A
Other languages
Japanese (ja)
Other versions
JP2601278B2 (en
Inventor
Masane Suzuki
Takayuki Saito
Kenji Yasuda
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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 Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Priority to JP62171699A priority Critical patent/JP2601278B2/en
Publication of JPS6415785A publication Critical patent/JPS6415785A/en
Application granted granted Critical
Publication of JP2601278B2 publication Critical patent/JP2601278B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Holo Graphy (AREA)

Abstract

PURPOSE:To discriminate interference fringes in accordance with the face to be inspected of a specimen so that the surface accuracy of the face to be inspected is correctly inspected by forming a transparent substrate to a wedge shape having a prescribed angle. CONSTITUTION:A hologram H1 is constituted of a transparent glass substrate 10 and a transparent emulsion 20. The face 10b on the emulsion face side of the substrate 10 is plane and the other face 10a is inclined by an angle theta to the face 10b. The substrate 10 forms the wedge having a wedge angle theta. A coherent laser ray A is reflected on the inside surfaces of the faces 10a, 10b and is refractively transmitted through the hologram H1 to form a light ray A' when the coherent laser rays A, B are projected as hologram reconstruction light to said hologram. The light ray is refractively transmitted through the hologram without being reflected on the inside surfaces thereof to form a light ray B'. The light rays A' and B' interfere with each other. Since the transparent substrate is formed to the edge shape in such a manner, the unnecessary interference fringes can be dissolved and viewed by naked eyes.
JP62171699A 1987-07-09 1987-07-09 hologram Expired - Lifetime JP2601278B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62171699A JP2601278B2 (en) 1987-07-09 1987-07-09 hologram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62171699A JP2601278B2 (en) 1987-07-09 1987-07-09 hologram

Publications (2)

Publication Number Publication Date
JPS6415785A true JPS6415785A (en) 1989-01-19
JP2601278B2 JP2601278B2 (en) 1997-04-16

Family

ID=15928041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62171699A Expired - Lifetime JP2601278B2 (en) 1987-07-09 1987-07-09 hologram

Country Status (1)

Country Link
JP (1) JP2601278B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599623A (en) * 1982-07-08 1984-01-19 Ricoh Co Ltd Hologram scanner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599623A (en) * 1982-07-08 1984-01-19 Ricoh Co Ltd Hologram scanner

Also Published As

Publication number Publication date
JP2601278B2 (en) 1997-04-16

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