Stabilized and Calibrated Michelson Interferometer

Stabilized and Calibrated Michelson Interferometer

The integral value of the refractive index of a plasma in a toroidal device is measured by a stabilized Michelson interferometer with a HeNe gas laser (λ = 0.63 μ) as light source. A calibrated phase modulator enhances the accuracy with which small phase shifts are measured, and automatically indica...

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Veröffentlicht in:Rev. Sci. Instrum., v. 44, no. 8, pp. 954-955 v. 44, no. 8, pp. 954-955, 1973-08, Vol.44 (8), p.954-955
Hauptverfasser: Küpper, F. P., Mastop, W. J.
Format: Artikel
Sprache:eng
Schlagworte:
HELIUM
LASERS
N70200 -Physics-Controlled Thermonuclear Research- Diagnostics
NEON
OPTICAL PROPERTIES
PLASMA
PLASMA DIAGNOSTICS- INTERFEROMETERS
REFRACTION
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Beschreibung
Zusammenfassung:The integral value of the refractive index of a plasma in a toroidal device is measured by a stabilized Michelson interferometer with a HeNe gas laser (λ = 0.63 μ) as light source. A calibrated phase modulator enhances the accuracy with which small phase shifts are measured, and automatically indicates phase shifts exceeding π/2.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1686335