50.8mm Zero Order Wave Plate

Tower's large aperture Zero order waveplates enable users to tackle new applications involving larger beam size and position movements. These waveplates feature an air-spaced design with a stainless steel spacer between two crystal quartz plates, offering zero order capability. They are less temperature-sensitive than multi-order waveplates and exhibit higher thermal stability and power handling capability compared to contacted or cemented waveplates. Crafted from laser-quality Crystal Quartz, each plate is AR coated on both sides, with retardations of 1/2 or 1/4 wave. Available unmounted or mounted with anodized Aluminum rings, these waveplates boast high-performance specifications, including a wavelength range per table, retardation tolerance of 0.005 waves at 632.8nm, and damage threshold of 1 kW/cm2-CW, 3.5 J/cm2 @10 ns. Standard wavelengths for 50.8mm waveplates include 355, 532, 633, 800, and 1064. Custom versions are available upon request.

• Tower's Large Aperture Zero Order Waveplates: Ideal for applications with varying beam size and position. Air-spaced design with stainless steel spacer between crystal quartz plates, offering superior thermal stability and power handling
• Waveplate Specifications
• Material: Laser Quality Crystal Quartz
• Waveplate Thickness: 3 to 4mm
• Wavefront Distortion: /10 @ 632.8nm
• Surface Quality: 10-5 Scratch/Dig
• Parallelism (Wedge): 0.5 arc seconds
• Wavelength Range: Per table
• Retardation Tolerance: 0.005 waves @ 632.8nm
• Coating: Anti Reflective, R
• Damage Threshold: 1 kW/cm2-CW, 3.5 J/cm2 @10 ns
• Diameter: 38.1mm to 76.2mm, Mounted or Unmounted
• Mounted Thickness: 9.0mm, +0.00/-0.25mm
• Large Quality Clear Aperture
• Air Spaced for High Power