Nematic polymer liquid-crystal wave plate for high-power lasers at 1054 nm

A nematic polymer liquid crystal is used to construct wave plates for use at 1054 nm. Three methods of wave-plate construction are discussed: double substrate with fiber spacers in homogeneous distribution, double substrate with fiber spacers in annular distribution, and single substrate. The polyme...

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Veröffentlicht in:	Applied Optics 1994-04, Vol.33 (10), p.1889-1899
Hauptverfasser:	Korenic, E M, Jacobs, S D, Houghton, J K, Schmid, A, Kreuzer, F
Format:	Artikel
Sprache:	eng
Schlagworte:	440600 - Optical Instrumentation- (1990-) ALIGNMENT BIREFRINGENCE CRYSTALS ELECTROMAGNETIC RADIATION FLUIDS INFRARED RADIATION LASER RADIATION LIQUID CRYSTALS LIQUIDS OPTICAL PROPERTIES ORGANIC COMPOUNDS ORGANIC POLYMERS OTHER INSTRUMENTATION PHYSICAL PROPERTIES PHYSICAL RADIATION EFFECTS PLATES POLYMERS RADIATION EFFECTS RADIATIONS REFRACTION REFRACTIVE INDEX TEMPERATURE DEPENDENCE TEMPERATURE RANGE TEMPERATURE RANGE 0273-0400 K USES VISCOSITY
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Zusammenfassung:	A nematic polymer liquid crystal is used to construct wave plates for use at 1054 nm. Three methods of wave-plate construction are discussed: double substrate with fiber spacers in homogeneous distribution, double substrate with fiber spacers in annular distribution, and single substrate. The polymer liquid crystal shows high laser-damage resistance, making it particularly useful for high-peak-power laser applications. Alignment techniques and measurement of birefringence for the highly viscous polymer are described.
ISSN:	1559-128X 0003-6935 1539-4522
DOI:	10.1364/AO.33.001889