GB1300912A - Filter for electromagnetic radiation - Google Patents

Filter for electromagnetic radiation

Info

Publication number
GB1300912A
GB1300912A GB96570A GB96570A GB1300912A GB 1300912 A GB1300912 A GB 1300912A GB 96570 A GB96570 A GB 96570A GB 96570 A GB96570 A GB 96570A GB 1300912 A GB1300912 A GB 1300912A
Authority
GB
United Kingdom
Prior art keywords
elements
jan
wavelength
give
radiation
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
GB96570A
Other languages
English (en)
Inventor
Andre Monfils
Jean-Pierre Macau
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1300912A publication Critical patent/GB1300912A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • G02B27/4277—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path being separated by an air space

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
GB96570A 1969-01-09 1970-01-08 Filter for electromagnetic radiation Expired GB1300912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE726697 1969-01-09

Publications (1)

Publication Number Publication Date
GB1300912A true GB1300912A (en) 1972-12-29

Family

ID=3854086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB96570A Expired GB1300912A (en) 1969-01-09 1970-01-08 Filter for electromagnetic radiation

Country Status (2)

Country Link
BE (1) BE726697A (es)
GB (1) GB1300912A (es)

Also Published As

Publication number Publication date
BE726697A (es) 1969-06-16

Similar Documents

Publication Publication Date Title
CA929111A (en) Filter
CA824484A (en) Filter
GB1300912A (en) Filter for electromagnetic radiation
AU5236364A (en) Filter and water softener utilizing same
CA937321A (en) Comb filter circuit
CA950362A (en) Filter
SU418925A1 (es)
JPS53126293A (en) Wavelength continuously variable photo element and production of the same
CA817628A (en) Monochromator system with selective diffraction grating system
AU457172B2 (en) Adjustable bandwidth optical filter
IL34535A0 (en) Variable density light filtering system
PAVAGEAU The method of plane-wave spectra in diffraction problems(Rayleigh hypothesis concerning grating diffracted unknown wave representation in plane wave spectrum form, noting limitation to waves with plane distributed sources)
AU279382B2 (en) Improvements in or relating to variable light filters
CA729309A (en) Adjustable waveguide filter
CA817063A (en) Grating monochromators
CA746727A (en) Multiple unit backwashing filter
CA703875A (en) Light filters
CA733745A (en) Light filter
AU431703B2 (en) Filter bank assembly
CA701735A (en) Filter networks
CA751023A (en) Optical screens and their production
CA829620A (en) Recorder for producing composite diffraction grating pattern
CA809996A (en) Filter unit with anti-drain back valve means
AU289179B2 (en) Edge type filter element
AU442719B2 (en) Improved filter leaf

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees