Method and apparatus for displaying a beam of light

Details Method and apparatus for displaying a beam of light Method and apparatus for displaying a beam of light

1990-09-14

1992-04-28

Bahr, Robert

Education and demonstration

Science

Physics

356336, G09B 2322

Patent

active

051082934

ABSTRACT:
Apparatus for and a method of displaying a laser beam are provided. The apparatus comprises an elongate chamber which has a viewing window and which is filled with a clear aqueous suspension of a water-dispersible polymer. The laser beam is displayed by projecting it into the suspension-filled chamber through one end of the chamber.

REFERENCES:
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patent: 3892485 (1975-07-01), Merritt et al.
patent: 4118625 (1978-10-01), Underwood
patent: 4265538 (1981-05-01), Wertheimer
patent: 4444500 (1984-04-01), Flinsenberg et al.
patent: 4953978 (1990-09-01), Bott et al.
patent: 4975237 (1990-12-01), Brown
Powder Metalluroy International, vol. 10, No. 2, 1978, pp. 97-98.

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