BVO 1000 Polarizer
BVO 1000 ultra broadband hybrid linear polarizer covers the entire visible and NIR bandwidth. System designers can use one polarizer to cover a 400-1600nm bandwidth for Vis / NIR applications eliminating multiple polarizers. Effective as the camera polarizer in machine vision systems.
Ultra Broadband Visible / Near Infrared Linear Polarizer
Active Range: 400nm – 1,600nm
Hybrid Visible / NIR polarizer
Type – transmissive, partially reflective
Exceptionally broadband performance
Polarize 740nm, 780nm, 850nm, 870nm, and 940nm LED’s
Polarize 785nm, 808nm, 830nm, 905nm, 980nm, and 1,064nm laser diodes
Polarize 1,310nm and 1,550nm optical communications
Imaging capable
BBAR coated BK-7 components available
Replaces 3M polarizer – HN22, HR
Applications
Surveillance
Defect Identification for Sorting
Machine Vision Imaging – Glare Reduction
NIR Sensors – Optical, Solid State
NIR Cameras
Polarized Raman Spectroscopy
Multispectral Imaging
Agriculture Inspection
Biometrics Polarization
NIR Polarized Microscopy
Film Specifications
Polarizer Range
400nm – 1600nm
VIS Contrast Ratio
10,000:1, nominal
NIR Contrast Ratio
> 1,000:1, nominal
Maximum Dimension
240mm x 80mm
Thickness
.50mm
Film Cutting Tolerances
± 50 microns
Adhesive (PSA)
None, PSA option available
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, reflective element
Surface Quality
80/50 Scratch-Dig
Component Specifications
Outer Dimension
25.4mm OD, ± 0.20mm
Wavefront Distortion
Lambda/2 measured @ 632nm
Thickness
4.55mm, ± 0.20mm
Substrates
BK-7, OEM options available
Surface Quality
40/20 Scratch-Dig
Beam Deviation
2 arc minutes
Anti Reflection Coatings
R ≤ 0.65% / surface, average. 400nm-900nm
R ≤ 0.65% / surface, average. 700nm-1,100nm
R ≤ 0.65% / surface, average. 900nm-1,700nmEnvironmental Tolerance
-10° C to 70° C
Glass & Coating
Optical Grade BK-7
Industry standard optics glass
Good transmission visible and NIR
Best for low wavefront distortion
Thickness flexibility
Double side polished, lambda/10
surface flatness
Refractive index – 1.52
VISIBLE BBAR COATING
R ≤ .65% per surface, avg.
Ultra broad range, 400nm to 900nm
Corning Display Glass
Thin glass, excellent clarity
No residual birefringence
Imaging quality flatness
Thin substrates – .7mm, 1.1mm each
Refractive index – 1.50
OPTIONAL HEA BBAR COATING
R ≤ .65% per surface, avg.
Visible range, 425nm to 685nm
Acrylic
No residual birefringence
Cheapest option for laminated products
Digitally cut for all geometric shapes
Thin substrates – flexible
Refractive index – 1.49
Glass
BK-7 Transmission
Corning Eagle Glass Transmission
Coating
BBAR 400nm-900nm, BK-7 Coating Scan
HEA BBAR 425nm-685nm, Display Glass
Coating Scan
商品属性 [Polarizer Range] 400nm – 1600nm [Contrast Ratio] VIS 10,000:1, nominal NIR > 1,000:1, nominal [Maximum Dimension] 240mm x 80mm [Thickness] .50mm