ZA721733B - Laser apparatus for use in workings where there is a danger of fire-damp and explosion - Google Patents

Laser apparatus for use in workings where there is a danger of fire-damp and explosion

Info

Publication number
ZA721733B
ZA721733B ZA721733A ZA721733A ZA721733B ZA 721733 B ZA721733 B ZA 721733B ZA 721733 A ZA721733 A ZA 721733A ZA 721733 A ZA721733 A ZA 721733A ZA 721733 B ZA721733 B ZA 721733B
Authority
ZA
South Africa
Prior art keywords
workings
damp
explosion
danger
fire
Prior art date
Application number
ZA721733A
Other languages
English (en)
Inventor
A Kohl
O Hintringer
M Schachinger
H Kindl
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ZA721733B publication Critical patent/ZA721733B/xx

Links

Classifications

    • 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
    • H01S3/02—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)
ZA721733A 1971-03-25 1972-03-14 Laser apparatus for use in workings where there is a danger of fire-damp and explosion ZA721733B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2114449A DE2114449C3 (de) 1971-03-25 1971-03-25 Lasergerät für den Einsatz in Schlagwetter- oder explosionsgefährdeten Betrieben

Publications (1)

Publication Number Publication Date
ZA721733B true ZA721733B (en) 1972-12-27

Family

ID=5802707

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721733A ZA721733B (en) 1971-03-25 1972-03-14 Laser apparatus for use in workings where there is a danger of fire-damp and explosion

Country Status (6)

Country Link
US (1) US3771067A (fr)
BE (1) BE781128A (fr)
DE (1) DE2114449C3 (fr)
FR (1) FR2130607B1 (fr)
GB (1) GB1368888A (fr)
ZA (1) ZA721733B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612648A (en) * 1985-01-17 1986-09-16 Continental Laser Corporation Modular gas laser end assembly
US5168393A (en) * 1986-09-02 1992-12-01 United States Department Of Energy Copper vapor laser modular packaging assembly
DE102015223362A1 (de) * 2015-11-25 2017-06-01 Minimax Gmbh & Co. Kg Explosionsgeschütztes Gehäuse für Mittel zum Senden und Empfangen elektromagnetischer Strahlung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628175A (en) * 1963-11-29 1971-12-14 Perkin Elmer Corp Optical maser having concentric reservoirs and cylindrical resonator
US3361989A (en) * 1964-03-09 1968-01-02 Air Force Usa Solid state optical laser
GB1245607A (en) * 1968-12-18 1971-09-08 Elliott Brothers London Ltd Improvements relating to lasers

Also Published As

Publication number Publication date
DE2114449A1 (de) 1972-09-28
DE2114449C3 (de) 1978-10-05
GB1368888A (en) 1974-10-02
BE781128A (fr) 1972-07-17
FR2130607B1 (fr) 1978-09-29
US3771067A (en) 1973-11-06
DE2114449B2 (de) 1978-02-02
FR2130607A1 (fr) 1972-11-03

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