BVO UV Polarizer

BVO UV is a low cost ultraviolet polarizer suitable for glass laminated components or offered as digitally cut OEM pieces. A capable UV linear polarizer for low cost applications in OEM systems to compete with expensive silver nanoparticle glass type polarizers or wire deposited glass polarizers. 

Ultraviolet / Visible Dichroic Linear Polarizer

  • Active Range: 320nm – 760nm
  • Hybrid UV / Visible polarizer
  • Type – transmissive, absorptive
  • Cost competitive vs. glass type UV polarizers
  • BBAR coated fused silica components available
  • Large sizes available
  • Replaces 3M polarizer – HNP’B

Applications

  • UV Fluorescence
  • UV Bio-Med Instruments
  • UV Polarized Microscopy
  • UV Entomology & Ichthyology
  • UV Spectroscopy
  • UV Photometry

Spec Downloads

Precision Polarizer - Glass Laminated Components
Precision Polarizer – Glass Laminated Components
OEM Volume - Custom Specs Reduced Cost
OEM Volume – Custom Specs Reduced Cost
Raw Polarizer -  Digitally Cut to Shape or Custom Mounted
Raw Polarizer – Digitally Cut to Shape or Custom Mounted

Film Specifications

Polarizer Range 320nm – 760nm
UV Contrast Ratio 500:1, nominal
Visible Contrast Ratio 4000:1, nominal
Thickness 0.190mm
Film Cutting Tolerances ± 50 microns
Adhesive (PSA) None, PSA conversion on custom basis
Temperature Range -20° C to 70° C
Damage Threshold 1 W/cm2, CW
0.2 J/cm2 with 20 nsec pulse, visible
Color Neutral Gray
Substrate Plastic Type, “Cellulose Triacetate”, dichroic
Surface Quality 80/50 Scratch-Dig

Standard Component Specifications

Standard Components 25.4mm OD – UV / VIS BBAR coated available
50.8mm OD – UV / VIS BBAR coated available
Outer Dimension ± 0.20mm tolerance
Wavefront Distortion 25.4mm OD – Lambda/2 measured @ 632nm
Thickness 25.4mm OD – 6.2mm thick
50.8mm OD – 3.7mm
Substrates UV transmissive fused silica
Surface Quality 40/20 Scratch-Dig
Beam Deviation 2 Arc Minutes
Anti Reflection Coatings R ≤ .75% / surface, average 320nm – 780nm
Environmental Tolerance -10° C to 60° C

Glass & Coating

UV Grade Fused Silica
  • Low co-efficient of thermal expansion
  • Good UV transmission down to 300nm
  • Best for low wavefront distortion
  • Thickness flexibility
  • Refractive index – 1.47
OPTIONAL BBAR COATING
  • R ≤ .75% per surface, avg.
  • Ultra broad range, 320nm to 780nm
  • pdfView Corning FS Standard

    pdfView Corning FS 7980

    Borofloat 33
    • Cheaper alternative to fused silica
    • Low co-efficient of thermal expansion
    • Good UV transmission
    • Thin substrates – 0.7mm, 1.1mm each
    • Refractive index – 1.48 in the UV
    OPTIONAL BBAR COATING
    • R ≤ 0.75% per surface, avg.
    • Ultra broad range, 320nm to 780nm

    pdfView Borofloat 33 Specs

    Glass
    Fused Silica Transmission
    Coating
    UV AR Coating Performance