Polarization task
Choose a polarizer to select a state, a half-wave plate to rotate linear polarization, or a quarter-wave plate for conversion.
PRODUCT FAMILY
Polarizers
Linear polarizers transmit one polarization state while attenuating the orthogonal state.
Visible and infrared families support polarization analysis, contrast enhancement and source cleanup, with aperture, extinction ratio and usable wavelength range selected by model.
Related families
SELECTION PRIORITIES
Choose polarizers around the optical requirement
2 product families are available. Use the engineering filters below to narrow the catalog before comparing exact models.
Design wavelength
Match retardance or extinction performance to the wavelength and required bandwidth, temperature range and incidence.
Aperture and power
Check clear aperture, wavefront, coating, absorption and damage threshold for the intended beam size and power.
PRODUCT FINDER
Polarizers
Compare product families, then open a family to select the exact model, dimensions and coating.
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SELECTION QUESTIONS
Polarizers FAQ
Technical answers to the questions that most often affect model selection.
What is the difference between a polarizer and a wave plate?
A polarizer selects or analyzes a polarization state. A wave plate introduces phase delay between orthogonal components to rotate linear polarization or convert between linear and circular polarization. Many systems use both elements together.
Should I use a half-wave or quarter-wave plate?
A half-wave plate rotates linear polarization when its fast axis is oriented correctly. A quarter-wave plate converts between linear and circular or elliptical polarization. The specified retardance applies at a defined wavelength and temperature range.
Which specifications control polarization performance?
Verify wavelength, clear aperture, retardance or extinction ratio, wavefront, surface quality and angular alignment. High-power systems should also check absorption, coating damage threshold and whether a contacted, air-spaced or multi-order design is appropriate.
Need a different diameter, tolerance or coating?
Send your material, wavelength, dimensions and quantity for review.
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