Compact optical sensors for mechanical measurements in industry

Author

Hanson, S.G.

Author_Institution

Dept. of Opt. & Fluid Dynamics, Riso Nat. Lab., Roskilde, Denmark

fYear

1998

fDate

3-8 May 1998

Firstpage

328

Abstract

Summary form only given. A suite of optical sensors based on diffractive optical components are shown. Specifically, sensors for the determination of angular and linear displacement and velocities based on common-path interferometry and speckle motions are described. Analytical expressions for the governing parameters such as speckle size, speckle decorrelation and time-lagged crosscovariances have been obtained using the method of complex ABCD-matrices.

Keywords

angular measurement; diffractive optical elements; light interferometry; optical sensors; position measurement; speckle; velocity measurement; angular displacement measurement; common-path interferometry; compact optical sensors; complex ABCD-matrices; diffractive optical components; governing parameters; industry; light interferometry; linear displacement measurement; mechanical measurements; speckle decorrelation; speckle motions; speckle size; time-lagged crosscovariances; Adaptive optics; Laser feedback; Laser modes; Mechanical variables measurement; Optical feedback; Optical interferometry; Optical receivers; Optical scattering; Optical sensors; Optical transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 1998. CLEO 98. Technical Digest. Summaries of papers presented at the Conference on

Conference_Location

San Francisco, CA, USA

Print_ISBN

1-55752-339-0

Type

conf

DOI

10.1109/CLEO.1998.676236

Filename

676236