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Supplier: EKSMA OPTICS
Description: EKSMA OPTICS offers Zero Order Dual Wavelength Plates for Ti:Sapphire and Yb:KGW/KYW lasers. When optical axis is turned by 45 degrees to input polarization, zero order dual wavelength waveplate rotates the fundamental wavelength by 90 degrees and the polarization of second harmonic
- Clear Aperture: 17 mm
- Polarizer Material: Quartz
- Surface Flatness: λ/10
- Surface Quality: 20-10 Scratch / Dig
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Supplier: Argyle International, Inc.
Description: Argyle manufactures a wide variety of lenses. Custom designs including odd shapes, sections, and center holes are standard fare. Finish and accuracy from condenser to laser quality. Diameters from 0.5mm to 200mm Surface finish to 10-5 Surface quality to 1/8 wave
- Length: 0.5000 to 200 mm
- Materials: BK7 Glass, Crown Glass, Flint Glass, LaSFN9 Glass, SF5 Glass, SF11 Glass, Calcium Fluoride, Germanium, Sapphire, Zinc Selenide, UV Grade Fused Silica, Other
- Surface Flatness: ?/8
- Surface Quality: 10-5 Scratch / Dig
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Supplier: Newport MKS
Description: Spectra-Physics Mai Tai™, Tsunami™, Spitfire ultrafast Ti:Sapphire lasers, OPAL OPO and OPA. Due to the polarization selectivity of the Brewster’s angle cut prisms, this kit is designed for the horizontal polarization. For vertically polarized laser beams, a periscope or half
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Supplier: Newport MKS
Description: -Physics Mai Tai™, Tsunami™, Spitfire ultrafast Ti:Sapphire lasers, OPAL OPO and OPA. Due to the polarization selectivity of the Brewster’s angle cut prisms, this kit is designed for the horizontal polarization. For vertically polarized laser beams, a periscope or half wave-plate will
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Supplier: Newport MKS
Description: -Physics Mai Tai™, Tsunami™, Spitfire ultrafast Ti:Sapphire lasers, OPAL OPO and OPA. Due to the polarization selectivity of the Brewster’s angle cut prisms, this kit is designed for the horizontal polarization. For vertically polarized laser beams, such as output from Tsunami, a periscope or
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Supplier: Newport MKS
Description: Spectra-Physics Mai Tai™, Tsunami™, Spitfire ultrafast Ti:Sapphire lasers, OPAL OPO and OPA. Due to the polarization selectivity of the Brewster’s angle cut prisms, this kit is designed for the horizontal polarization. For vertically polarized laser beams, such as output from Tsunami, a
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The SCUBA-2 polarimeter
In the following paragraphs, EY and EX represent the amplitude of the electrical field after a passage in the achromatic, five slabs sapphire wave plate , for a known polarization state in front of the waveplate.
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Thorlabs Introduces New UV-Visible Achromatic Wave Plates
Additionally, since sapphire is a much harder material than MgF2, our new quartz- sapphire wave plates are much more durable and more resistant to scratching.
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SPIDER: a new balloon-borne experiment to measure CMB polarization on large angular scales
Middle: Laboratory measurements of signal vs. plate rotation angle for a Herasil AR-coated sapphire wave plate (equivalent to the solid line in the top panel, but at specific individual frequencies in the band), as baselined for SPIDER.
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The Submillimeter Array Polarimeter
The initial set of anti-reflection coated quartz and sapphire wave plates allows polarimetry near 345 GHz; these plates have been have been used in observations between 325 and 350 GHz.
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SPIDER: A Balloon-borne Large-scale CMB Polarimeter
A single birefringent sapphire wave plate coated with a single layer of fused quartz on each side gives very good (band average of .
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Mitigation of the spectral dependent polarization angle response for
achromatic half-wave plate
We conducted measurements by using three layers of sapphire wave plates and demonstrated this technique at millimeter wavelengths between 72 and 162 GHz.
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Ultra High Energy Cosmology with POLARBEAR
Before incidence on the focal plane, millimeter-wave radiation entering the receiver encounters, sequentially, a Zotefoam vacuum window, a rotating sapphire half wave plate (HWP), single- and multi-layer metal mesh filters, porous Teflon radiation filters, and anti-reflection coated ultra-high …
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Intensity and polarization of the atmospheric emission at millimetric
wavelengths at Dome Concordia
One of the two channels (channel 1) measures the anisotropy of the emission of the sky, while the second one (channel 2) sees the sky through an ambient-temperature, rotating sapphire Quarter Wave Plate (QWP), and a steady wire grid polarizer.
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Experimental performance comparison of two polarimeter techniques for CMB applications
We found that with an anti-reflection coated sapphire half wave plate located in front of the horn aperture the cross-polarisation is below -30dB (with a horn cross-polarisation of -40dB) and the co-polarisation beam difference can be as high …
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Zone plate designs for terahertz frequencies (Invited Paper)
Suppose a quarter- wave sapphire zone plate were designed from Equation [3] for εe = 11.645 for one polarization at 300 GHz (λ = 1 mm), then the orthogonal polarization would focus for 350.1 GHz.