Quick Answer: The Polarizer/Analyzer is a pair of rotatable polarising discs, each with a 25 mm aperture and a 0°–360° scale graduated in 1° steps. The two units mount on 10 mm rods for use on an optical bench.
Last updated: October 2026
Key Features
Two units: polarizer and analyzer
Polarising discs with 25 mm aperture
Angular scale 0°–360° in 1° increments
Zinc alloy / brass bodies with a chemical-resistant finish
Base units 60 mm diameter x 35 mm high, on 10 mm rod mounts for optical benches
Technical Specifications
Specification
Value
Configuration
Dual unit: polarizer and analyzer
Aperture
25mm polarising disc
Angular scale
0°–360°, 1° increments
Material
Zinc alloy / brass, chemical-resistant finish
Base unit size
60mm (diameter) x 35mm (height)
Mounting
10mm diameter rod, optical bench
HS Code
9013.80.90 (Other Optical Instruments and Appliances)
About This Product
Light passed through the first disc is plane polarised, and turning the analyzer while reading its scale shows the transmitted brightness falling to extinction and rising again. Students use the readings to check Malus’ law and to see that light behaves as a transverse wave.
Frequently Asked Questions
How is the angle read on the Polarizer/Analyzer?
Each disc has a 0°–360° scale graduated in 1° increments.
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