Variable optical attenuator or the like

Details Variable optical attenuator or the like Variable optical attenuator or the like

G - Physics

02

B

88/97.5

G02B 6/26 (2006.01) G02B 6/00 (2006.01) G02B 26/02 (2006.01)

Patent

CA 1249152

ABSTRACT OF THE DISCLOSURE A simple variable optical attenuator or the like suitable for printed circuit board mounting has an optical filter slab positionable between the arc-rounded aligned ends of two optical fibres. The filter slab is mounted on the wiper carrying reciprocating part of an adjustable potentio- meter. The resistance value corresponds to the position of the filter slab, i.e. to the attenuation or other optical index as the case may be, once the unit has been calibrated.

460831

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