Broadband Quartz Waveplate / WPQW-VIS-4M

Air spaced two piece waveplates are suitable for use with high-energy lasers (no optical contact occurs). These products utilize birefringence of quartz and give phase difference of λ/4 (π/2, 90°) or λ/2 (π, 180°) to the input beams. λ/4 retarders convert linearly polarization to circularly and circularly polarization to linearly. λ/2 retarders convert the direction of polarization arbitrarily.

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Part Number
WPQW-VIS-4M
S$1,619.31
◦Air spaced type waveplates are zero-order (first-order) retardation plates (phase plates) which are assembled from pairs of crystalline quartz plates and are mounted on aluminum frames.
More Information
Catalog Code W3030
RoHS Yes
CE No
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CAD data
Guide ▶Custom-made air spaced broadband quartz waveplates for other wavelengths are also available
Attention ▶These products can be used for the beams which wavelengths are in +/−1% of rated wavelength.
▶The surface flatness is the reflected wavefront distortion of the surface before coating.
▶Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.
Specifications
MaterialOptical grade crystalline quarts, MgF2
Housing MaterialAluminum (Finishing ; Black Anodized)
Clear aperture14×14mm
Transmitted wavefront distortionλ/4( Per one pice of substrate)
Angular deviation of beam<5″
CoatingAntireflection Coating on both side (Total 4 surfaces)
Transmittance>Average 98%
Surface Quality (Scratch-Dig)20−10
Typeλ/4
Wavelength range λ400 - 700nm
Theoretical retardation (first Wavelength)92.8nm (at 400nm)
Theoretical retardation (Second Wavelength)130nm (at 500nm)
Theoretical retardation (Third Wavelength)150.6nm (at 600nm)
Theoretical retardation (4th Wavelength)164.9nm (at 700nm)
Laser Damage Threshold4J/cm2

* Laser pulse width 10ns, repetition frequency 20Hz