Optical probe

Details Optical probe Optical probe

1996-01-04

1999-09-14

Kim, Robert H.

Optics: measuring and testing

By particle light scattering

With photocell detection

356338, G01N 2100

Patent

active

059531207

ABSTRACT:
A compact optical probe is disclosed particularly useful for analysis of emissions in industrial environments. The instant invention provides a geometry for optically-based measurements that allows all optical components (source, detector, rely optics, etc.) to be located in proximity to one another. The geometry of the probe disclosed herein provides a means for making optical measurements in environments where it is difficult and/or expensive to gain access to the vicinity of a flow stream to be measured. Significantly, the lens geometry of the optical probe allows the analysis location within a flow stream being monitored to be moved while maintaining optical alignment of all components even when the optical probe is focused on a plurality of different analysis points within the flow stream.

REFERENCES:
patent: 4637716 (1987-01-01), Auweter et al.
patent: 4871251 (1989-10-01), Preikschat et al.
patent: 5112127 (1992-05-01), Carrabba et al.
patent: 5231463 (1993-07-01), Shambaugh
patent: 5313542 (1994-05-01), Castonguay
patent: 5777734 (1998-07-01), Flower et al.
U.S. application No. 08/228,974, French et al., filed Apr. 15, 1994.
Dyott, "The Fibre-optic Doppler Anemometer", Microwaves, Optics, & Acoustics, vol. 2 (#1), p. 13 (Jan. 1978).

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