Fiberoptic "On line" controlling of high intensity laser beam

The paper discusses possibility of utilising the nonlinear optical properties of liquid crystals (LCs) for laser beam intensity measurements. The presented idea is based on optical phenomena which have been just recently observed in liquid-crystalline media possessing periodically stratified structu...

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Bibliographic Details
Main Authors: Sierakowski, M., Domanski, A.W., Wolinski, T.R., Karpierz, M., Swillo, M.
Format: Conference Proceeding
Language:English
Subjects:
Biomedical optical imaging
Fiber lasers
Fiber nonlinear optics
Geometrical optics
Laser beams
Laser theory
Nonlinear optics
Optical attenuators
Optical control
Optical scattering
Online Access:Request full text
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Summary:The paper discusses possibility of utilising the nonlinear optical properties of liquid crystals (LCs) for laser beam intensity measurements. The presented idea is based on optical phenomena which have been just recently observed in liquid-crystalline media possessing periodically stratified structure. The effects appear by activating light intensities of the order of MW/m/sup 2/, so the method can be potentially applied at present to power laser monitoring (corresponding laser power is approximately 0.1 W).
ISSN:1091-5281
DOI:10.1109/IMTC.1997.604044