GB1305609A - - Google Patents

Info

Publication number
GB1305609A
GB1305609A GB1347570A GB1305609DA GB1305609A GB 1305609 A GB1305609 A GB 1305609A GB 1347570 A GB1347570 A GB 1347570A GB 1305609D A GB1305609D A GB 1305609DA GB 1305609 A GB1305609 A GB 1305609A
Authority
GB
United Kingdom
Prior art keywords
refractive indices
colour temperature
layers
pilkington
elmer
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
Application number
GB1347570A
Other languages
English (en)
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 filed Critical
Publication of GB1305609A publication Critical patent/GB1305609A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/286—Interference filters comprising deposited thin solid films having four or fewer layers, e.g. for achieving a colour effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
GB1347570A 1970-03-20 1970-03-20 Expired GB1305609A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1347570 1970-03-20

Publications (1)

Publication Number Publication Date
GB1305609A true GB1305609A (enExample) 1973-02-07

Family

ID=10023644

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1347570A Expired GB1305609A (enExample) 1970-03-20 1970-03-20

Country Status (3)

Country Link
US (1) US3717399A (enExample)
CH (1) CH542453A (enExample)
GB (1) GB1305609A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354739A (en) * 1980-09-03 1982-10-19 Optical Coating Laboratory, Inc. Color absorption-type filter and method of making
US4851664A (en) * 1988-06-27 1989-07-25 United States Of America As Represented By The Secretary Of The Navy Narrow band and wide angle hemispherical interference optical filter

Also Published As

Publication number Publication date
CH542453A (fr) 1973-09-30
US3717399A (en) 1973-02-20

Similar Documents

Publication Publication Date Title
GB1406970A (en) Multi-layer interference filters
CA959686A (en) Optical notch filter
CA954349A (en) Spectacle structure
CA946055A (en) Crystal filter assembly
CA1001989A (en) Light metal production
AU469656B2 (en) Differential gears
CA950708A (en) Multiple groove sheave and method of fabrication
CA982423A (en) Method of manufacturing a cold light mirror
CA971657A (en) Ferroelectric-type optical filter
CA980608A (en) Optical waveguide and method of manufacturing the same
AU464229B2 (en) Light systems
CA964908A (en) Low refractive index contact lenses
CA956707A (en) Luminance notch filter
AU468314B2 (en) Optically brightened coating compositions
AU459466B2 (en) Piston with ring retainer band
CA982076A (en) Multiple stage production of fuel oil
CA961668A (en) Flow metering device of the pressure differential producing type
CA992303A (en) Optical filter layer
CA967819A (en) Continuous diffusion coating
CA967037A (en) Optical systems
CA984312A (en) Fluid filter with submerged passages
CA957434A (en) Color compensating networks with range limitation
AU479615B2 (en) Thermal convection flow light valve
GB730642A (en) Improvements in or relating to light filters and methods of manufacturing such filters
CA884475A (en) Filter with retaining ring

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees