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GB2181265B - Reflector for electromagnetic radiation - Google Patents

Reflector for electromagnetic radiation

Info

Publication number
GB2181265B
GB2181265B GB8524767A GB8524767A GB2181265B GB 2181265 B GB2181265 B GB 2181265B GB 8524767 A GB8524767 A GB 8524767A GB 8524767 A GB8524767 A GB 8524767A GB 2181265 B GB2181265 B GB 2181265B
Authority
GB
United Kingdom
Prior art keywords
reflector
electromagnetic radiation
electromagnetic
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
GB8524767A
Other versions
GB2181265A (en
GB8524767D0 (en
Inventor
Stanley Young
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.)
Ferranti International PLC
Original Assignee
Ferranti International Signal PLC
Ferranti PLC
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 Ferranti International Signal PLC, Ferranti PLC filed Critical Ferranti International Signal PLC
Priority to GB8524767A priority Critical patent/GB2181265B/en
Publication of GB8524767D0 publication Critical patent/GB8524767D0/en
Publication of GB2181265A publication Critical patent/GB2181265A/en
Application granted granted Critical
Publication of GB2181265B publication Critical patent/GB2181265B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0071—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source adapted to illuminate a complete hemisphere or a plane extending 360 degrees around the source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
    • H01S3/093—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp focusing or directing the excitation energy into the active medium
    • H01S3/0931—Imaging pump cavity, e.g. elliptical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB8524767A 1985-10-08 1985-10-08 Reflector for electromagnetic radiation Expired GB2181265B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8524767A GB2181265B (en) 1985-10-08 1985-10-08 Reflector for electromagnetic radiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8524767A GB2181265B (en) 1985-10-08 1985-10-08 Reflector for electromagnetic radiation

Publications (3)

Publication Number Publication Date
GB8524767D0 GB8524767D0 (en) 1985-11-13
GB2181265A GB2181265A (en) 1987-04-15
GB2181265B true GB2181265B (en) 1989-06-07

Family

ID=10586344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8524767A Expired GB2181265B (en) 1985-10-08 1985-10-08 Reflector for electromagnetic radiation

Country Status (1)

Country Link
GB (1) GB2181265B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968140A (en) * 1988-02-02 1990-11-06 Gretag Aktiengesellschaft Manual device for the determination or measurement of photometric data using a measuring head
EP0327499B1 (en) * 1988-02-02 1992-01-08 GRETAG Aktiengesellschaft Measuring head
DE58900676D1 (en) * 1988-02-02 1992-02-20 Gretag Ag HAND DEVICE FOR DETECTING THE OPTICAL REMISSION PROPERTIES.
RU2088388C1 (en) * 1995-06-28 1997-08-27 Общество с ограниченной ответственностью "МОГАСС" Light-beam soldering device
DE19708424B4 (en) * 1997-03-01 2006-09-28 Moeller Gmbh Test device and test method for arc fault sensors

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488598A (en) * 1974-07-26 1977-10-12 Us Energy Device for directing radiant energy
GB1554639A (en) * 1976-07-09 1979-10-24 Fortress Eng Solar heater
GB2033103A (en) * 1978-09-21 1980-05-14 Unisearch Ltd Radiation concentrator or distributor
US4483007A (en) * 1979-08-24 1984-11-13 The University Of Chicago Energy transmission with respect to convex sources and receivers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488598A (en) * 1974-07-26 1977-10-12 Us Energy Device for directing radiant energy
GB1554639A (en) * 1976-07-09 1979-10-24 Fortress Eng Solar heater
GB2033103A (en) * 1978-09-21 1980-05-14 Unisearch Ltd Radiation concentrator or distributor
US4483007A (en) * 1979-08-24 1984-11-13 The University Of Chicago Energy transmission with respect to convex sources and receivers

Also Published As

Publication number Publication date
GB2181265A (en) 1987-04-15
GB8524767D0 (en) 1985-11-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee
728C Application made for restoration (sect. 28/1977)
728A Order made restoring the patent (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941008