Reference: Lab Experiments Journal vol-7, No.3, Page-203, Lab Experiments Journal vol-15, No.3, Page-210

Babinet compensator

Experiment(s):

Measurement of Birefringence of mica

Specifications

1 . Babinet compensator assembly consists of

                    Polarizer: Graduated 360° scale with LC 1°, mountable on to Upright
Mica Sheet: Fixed on a frame
Analyzer: Graduated 360° scale with LC 1°, mountable on to upright
Quartz crystal box: consists of 2 quartz wedges cut perpendicularly of its optical axes
Reading: Screw gauge type reading micrometer
Movement: 25 mm
Resolution: 0.01 mm
Telescope with circular graduation
                  

2 . Sodium vapour lamp set

                    Lamp house: Single lamp type with fixed slit openings
Transformer: 35 W, Instant ON type
Rated Input: 220 V/50 Hz or 110 V/60 Hz
                  

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