Compare Model Drawings, CAD & Specs Availability Price
UV Beamsplitter, 10.0 mm Diameter, 1.00 mm Thickness, 50R/50T ratio
$101
In Stock
In Stock
UV Beamsplitter, 12.5 mm Diameter, 2.00 mm Thickness, 50R/50T ratio
$105
In Stock
In Stock
UV Beamsplitter, 12.50 x 12.50 mm, 2.00 mm Thickness, 50R/50T ratio
$105
In Stock
In Stock
UV Beamsplitter, 20.0 mm Diameter, 2.00 mm Thickness, 50R/50T ratio
$127
In Stock
In Stock
UV Beamsplitter, 25.0 mm Diameter, 2.00 mm Thickness, 50R/50T ratio
$127
In Stock
In Stock
UV Beamsplitter, 25.0 x 25.0 mm, 2.00 mm Thickness, 50R/50T ratio
$127
In Stock
In Stock
UV Beamsplitter, 30.0 mm Diameter, 3.00 mm Thickness, 50R/50T ratio
$159
In Stock
In Stock
UV Beamsplitter, 40.0 mm Diameter, 4.00 mm Thickness, 50R/50T ratio
$185
In Stock
In Stock
UV Beamsplitter, 50.0 mm Diameter, 4.00 mm Thickness, 50R/50T ratio
$217
In Stock
In Stock
UV Beamsplitter, 50.0 x 50.0 mm, 4.00 mm Thickness, 50R/50T ratio
$217
In Stock
In Stock
UV Beamsplitter, 10.0 mm Diameter, 1.00 mm Thickness, 30R/70T ratio
$105
In Stock
In Stock
UV Beamsplitter, 12.5 mm Diameter, 2.00 mm Thickness, 30R/70T ratio
$108
In Stock
In Stock
UV Beamsplitter, 12.50 x 12.50 mm, 2.00 mm Thickness, 30R/70T ratio
$108
In Stock
In Stock
UV Beamsplitter, 20.0 mm Diameter, 2.00 mm Thickness, 30R/70T ratio
$129
In Stock
In Stock
UV Beamsplitter, 25.0 mm Diameter, 2.00 mm Thickness, 30R/70T ratio
$129
In Stock
In Stock
UV Beamsplitter, 25.0 x 25.0 mm, 2.00 mm Thickness, 30R/70T ratio
$129
In Stock
In Stock
UV Beamsplitter, 30.0 mm Diameter, 3.00 mm Thickness,30R/70T ratio
$163
In Stock
In Stock
UV Beamsplitter, 40.0 mm Diameter, 4.00 mm Thickness, 30R/70T ratio
$190
UV Beamsplitter, 50.0 mm Diameter, 4.00 mm Thickness, 30R/70T ratio
$223
In Stock
In Stock
UV Beamsplitter, 50.0 x 50.0 mm, 4.00 mm Thickness, 30R/70T ratio
$223
In Stock
In Stock

Specifications

  • Wavelength Range
    250-450 nm
  • Material
    UV Grade Fused Silica
  • Coating Second Surface
    Antireflection (Ravg <1%, Rabs <2%)
  • Angle of Incidence
    45°±3°
  • Surface Flatness
    ≤1 λ at 632.8 nm over the clear aperture
  • Surface Quality
    60-40 scratch-dig
  • Diameter Tolerance
    +0.0/-0.2 mm
  • Thickness Tolerance
    ±0.38 mm
  • Parallelism
    < 5 arc minutes
  • Clear Aperture
    > central 85% of diameter
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning

Features

UV Fused Silica Substrates for UV Applications

UV Grade Fused Silica is synthetic amorphous silicon dioxide of extremely high purity providing maximum transmission from 195 to 2100 nm. This non-crystalline, colorless silica glass combines a very low thermal expansion coefficient with good optical qualities, and excellent transmittance in the ultraviolet region. Transmission and homogeneity exceed those of crystalline quartz without the problems of orientation and temperature instability inherent in the crystalline form. It will not fluoresce under UV light and is resistant to radiation. For high-energy applications, the extreme purity of fused silica eliminates microscopic defect sites that could lead to laser damage.

50/50 or 30/70 Beamsplitting

The UV beamsplitters are designed for a 45 degree angle of incidence, and are available in 50/50 and 30/70 reflectance/transmittance ratios in 250-450 nm spectral range. The choice of the beamsplitting ratios allows the scientist to use this beamsplitter in multiple applications that may require an even split or a 30/70 split. The beamsplitters are also provided with a broadband anti-reflection coating on the back surface to minimize any ghosting.