GB1308812A - Device for sampling light intensity - Google Patents
Device for sampling light intensityInfo
- Publication number
- GB1308812A GB1308812A GB1308812DA GB1308812A GB 1308812 A GB1308812 A GB 1308812A GB 1308812D A GB1308812D A GB 1308812DA GB 1308812 A GB1308812 A GB 1308812A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arm
- abutment
- light guide
- light
- scanning
- 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.)
- Expired
Links
- 238000005070 sampling Methods 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
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
-
- 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
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microscoopes, Condenser (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
1308812 Mounting for optical fibres RANK ORGANISATION Ltd 28 May 1971 [1 July 1970] 31791/70 Heading G2J [Also in Division E2] A device for sampling the light intensity at a chosen point of a light source or image comprises a support body 1, a scanning arm 2 mounted, as in gimbal 3, permitting universal swinging movement of the arm 2, a linear abutment 10 mounted on the body, means urging the arm to swing into contact with the abutment which permits the arm to swing along and in contact with the abutment, a scanning member 15 mounted on the arm 2 by a connection permitting universal movement of the member relative to the arm, a guide surface 23 for the scanning member, and a flexible light guide mounted in the member so that the end face is exposed. The other end of the light guide may be connected to a photomultiplier. The light guide may be a single clad optical fibre, or may be a multi-filament bundle, one fibre, preferably the central one, being led out of the bundle to a photo-multiplier, the rest leading to a magnifying eyepiece for visual observation. Linear abutment 10 may be an eccentrically mounted cylinder. The end cap 8 may be scribed with a scale to indicate the position of the arm. This device may also be used to project a spot of light into the optical system of slide or film projector.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3179170 | 1970-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1308812A true GB1308812A (en) | 1973-03-07 |
Family
ID=10328460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1308812D Expired GB1308812A (en) | 1970-07-01 | 1970-07-01 | Device for sampling light intensity |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1308812A (en) |
-
1970
- 1970-07-01 GB GB1308812D patent/GB1308812A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |