Optical: systems and elements – Absorption filter – Fluid
Patent
1990-05-31
1992-01-28
Arnold, Bruce Y.
Optical: systems and elements
Absorption filter
Fluid
356440, G02B 2602, G01N 2151
Patent
active
050838520
ABSTRACT:
A laser beam stop is contructed having a uniquely designed cell filled with solution or suspension of an absorbing species chosen to absorb the wavelength of light emitted by the laser. The position and strength of the laser beam are indicated by the strength and depth of penetration of the fluorescence excited by the laser.
REFERENCES:
patent: Re28753 (1976-03-01), Zanody
patent: 3390351 (1968-06-01), Bell
patent: 3709584 (1973-01-01), Frungel
patent: 3859539 (1975-01-01), Allington
patent: 5020884 (1991-06-01), Murphy
Arnold Bruce Y.
Edelberg Barry A.
Flanagan Thomas V.
McDonnell Thomas E.
Pham James
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