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800nm Higher Order Radial Polarization Converter (S-waveplate)

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Stock #16-794
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$4,640.00
Qty 1-5
$4,640.00
Qty 6+
$4,160.00
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Clear Aperture CA (mm):
6.0
Design Wavelength DWL (nm):
800
Diameter (mm):
25.40
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Surface Quality:
20-10
Thickness (mm):
3.00
Thickness Tolerance (mm):
±0.1
Transmission (%):
≥94 (wavelength dependent)
Type:
Polarization Converter
Dimensional Tolerance (mm):
+0.0/-0.1
Construction:
Self-Organized Nanogratings
Surface Flatness (P-V):
λ/8
Damage Threshold, Pulsed:
63.4 J/cm2 @1064nm, 10ns
2.2 J/cm2 @1030 nm, 212fs

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Family Description

  • Converts Linear Polarization to Radial or Azimuthal
  • Converts Circular Polarization to an Optical Vortex (Donut-Shaped Beam)
  • High Damage Thresholds in the Nano- and Femtosecond Range
  • Higher-Order Versions Can Generate Higher Order Polarization Patterns and Optical Vortices

Radial Polarization Converters (S-waveplates) are space-variant retarders designed to convert linear polarization to radial or azimuthal polarization to reduce laser beam spot size. Alternatively, they can be used to convert circularly polarized light to an optical vortex (donut-shaped beam). The converters are manufactured by inscribing self-organized nanogratings inside fused silica using a femtosecond laser. Radial Polarization Converters (S-waveplates) are beneficial for a variety of polarization-sensitive applications. Radially polarized beams are highly efficient at micro-drilling high aspect-ratio features in metal, while vortex (donut-shaped) beams are ideal for STED or two-photon excitation fluorescence microscopy, laser micromachining, and optical tweezer applications (multiple particle trapping).

Higher Order Radial Polarization Converters (S-Waveplates) can generate higher order polarization patterns, optical vortices with increased topological charge, or vector Bessel beams when used in combination with axicons. These types of beams are used in micromachining applications, such as microhole drilling of transparent materials.

Laser Optics

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