Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1998-02-04
2000-07-11
Buczinski, Stephen C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
356 51, G01C 308
Patent
active
060880856
ABSTRACT:
The invention relates to a range measurement apparatus, in particular a single beam pulsed laser range finder, comprising a light transmitter, a light receiver, an optical attenuator disposed in the transmission or reception branch and a time measuring unit for determining the light transit time between the transmission and the receipt of a light signal. The light transmitter is formed as a unitary and compact module into which a laser diode, connection elements for the laser diodes, an apparatus for coupling out the reference pulse, and also a fiber plug connector for the coupling of the transmitted light into a light conducting fiber are integrated. The light receiver is likewise formed as a unitary and compact module into which a photodiode, connection elements for the photodiode, an apparatus for coupling in the reference pulse and also a fiber plug connector for the coupling in of the received light which takes place via a light conducting fiber are integrated.
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Schwarte, R., "Performance capabilities of laser ranging sensors", in: Proceedings of ESA Workshop on SPLAT Mar. 25-30, 1984, Les Diablerets, CH, pp. 61-66.
Buczinski Stephen C.
Sick AG
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