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
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, visibleColor
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 availableOuter Dimension
± 0.20mm tolerance
Wavefront Distortion
25.4mm OD – Lambda/2 measured @ 632nm
Thickness
25.4mm OD – 6.2mm thick
50.8mm OD – 3.7mmSubstrates
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
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
Glass
Fused Silica Transmission
OPTIONAL BBAR COATING
R ≤ .75% per surface, avg.
Ultra broad range, 320nm to 780nm
OPTIONAL BBAR COATING
R ≤ 0.75% per surface, avg.
Ultra broad range, 320nm to 780nm
Coating
UV AR Coating Performance
商品属性 [Polarizer Range] 320nm – 760nm [Contrast Ratio] UV 500:1, nominal Visible 4000:1, nominal [Thickness] 0.190mm