Grace Scientific Corporation

GSC-PE-478 - Verification of Brewster's law of polarization

Name: GSC-PE-478 - Verification of Brewster's law of polarization
Brand: Grace Scientific Corporation
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Specifications:-

Verification of Brewster’s Law of Polarization

Optical Bench

•Length: approx. 300 mm (triangular type)

•Stable design with provision for mounting optical accessories

Polarizer

•Angular range: 0° ± 90°

•Least count: ~1°

•Aperture: ~21 mm

•Frame size: ~130 mm

•Mounting rod: ~10 mm diameter

Diode Laser

•Wavelength: red ~650 nm

•Stable output suitable for polarization experiments

Detector & Measurement Unit

•Detector: pinhole with silicon photo detector

•Output measurement unit: current range ~0–199 mA/mA

Goniometer

•Least count: ~20 seconds

•Main scale: brass, diameter ~175 mm

•Angular range: 0–360°

•One main scale division (MSD): ~1/3°

Optical Components

•Objective lens: achromatic, focal length ~178 mm, diameter ~32 mm

•Slit: German silver with knurled screw

•Reticle: 90° cross etched on glass, diameter ~21 mm

•Eyepiece: Ramsden type, ~15× magnification

•Vernier: brass, 4 verniers, dimensions ~60 × 48 mm

oTop vernier graduated

oBottom vernier graduated at 60°

Base

•Diameter: ~220 mm

•Material: aluminum casting for stability