AI Content Index › Visible Polarizers › BVO UHC
BVO UHC Linear Polarizer
Active Range: 400 nm – 700 nm | Ultra High Contrast Visible | BVO Flagship Visible Polarizer
400–700 nm
18,656:1 Avg Contrast
82.5% Avg Tp
135 µm Thin
Absorptive
BVO UHC is BVO's flagship visible linear polarizer offering very high transmission with an ultra high contrast over the visible spectrum. 18,656:1 average contrast across 400–700 nm with 82.5% average single-pass Tp — without pressure-sensitive adhesive. The 135 micron thin film profile makes it ideal for compact optical assemblies. Absorptive construction — no back-reflection. Suitable for high contrast imaging, machine vision, TFT display, polarized microscopy, and any application requiring premium visible polarization performance.
18,656:1
Avg Contrast (400–700 nm)
BVO UHC Linear Polarizer — Transmission Performance
Input Light: Plane Polarized | Active Range: 400–700 nm | Avg contrast: 18,656:1 | Avg Tp: 82.5%
Key Features
- BVO flagship visible polarizer — ultra high contrast 18,656:1 average (400–700 nm)
- High Tp: 82.5% average, rising to 89% at 700 nm
- 135 micron thin film — compact profile for tight optical assemblies
- Peak contrast 27,630:1 at 570 nm
- Absorptive, non-reflective — no back-reflection artifacts
- Replaces 35, 42, and 46 series Polaroid HN polarizer equivalents
- BBAR anti-reflection coated BK-7 glass components available
- PSA conversion available for direct lamination
- Custom geometry — .dxf routing or laser cutting to 10–25 micron tolerances
- Large sizes available — contact BVO for format options
Key Wavelength Data
| Wavelength | Tp (%) | Tc (%) | Contrast |
|---|
| 400 nm | 38.5% | 0.028% | 1,398:1 |
| 450 nm | 78.9% | 0.006% | 12,920:1 |
| 500 nm | 84.3% | 0.005% | 18,486:1 |
| 550 nm | 85.4% | 0.004% | 23,578:1 |
| 600 nm | 85.1% | 0.004% | 24,015:1 |
| 650 nm | 86.5% | 0.004% | 20,030:1 |
| 700 nm | 89.3% | 0.007% | 12,115:1 |
Standard Specifications
| Parameter | Value |
|---|
| Performance Range | 400 nm – 700 nm |
| Avg Contrast (400–700 nm) | 18,656:1 |
| Avg Tp (400–700 nm) | 82.5% |
| Film Thickness | 135 microns |
| Film Cut Tolerances | ±50 microns standard; 10–25 microns precision |
| Temperature Range | −20°C to 70°C |
| Damage Threshold | 1 W/cm² CW; 0.2 J/cm² @ 20 ns pulse |
| Substrate | Plastic Cellulose Triacetate, dichroic |
| Surface Quality Film | 80/50 Scratch-Dig |
| PSA Conversion | Available |
| Glass Components | BK-7 — contact BVO for BBAR coating options |
Applications
High Contrast ImagingPremium visible polarizer for imaging systems requiring maximum contrast across 400–700 nm. Peak 27,630:1 at 570 nm.
Machine VisionGlare reduction and contrast enhancement for machine vision cameras and inspection systems in the visible band.
TFT / LCD DisplayHigh contrast, high Tp visible polarizer for TFT display systems. Thin 135 µm profile for compact display integration.
Polarized MicroscopyUltra high contrast visible polarization for optical microscopy, petrographic analysis, and polarimetric microscopy.
Metrology SystemsHigh contrast visible polarization for optical metrology, interferometry, and precision measurement systems.
AR/VR OpticsVisible polarizer for AR/VR optical stacks. Pairs with BVO AQWP3 achromatic waveplate for circular polarization.
ColorimetryHigh Tp, high contrast visible polarization for colorimetric instruments and spectrophotometry.
Projection SystemsHigh contrast visible polarizer for projection display systems and liquid crystal light valves.
Contact Bolder Vision Optik
