Polarcor Glass Polarizers
- Product Item : AT-61157
- Category： Glass-Ceramic Optical Substrates
- Product description： Polarcor glass polarizers is a high performance glass polarizer, featuring excellent optical performance, compact size and unmatched durability, that meets the most s
Polarcor Glass Polarizers
Polarcor glass polarizers is a high performance glass polarizer, featuring excellent optical performance, compact size and unmatched durability, that meets the most stringent requirements of the telecommunications, aerospace and defense, medical and many other markets.
Polarcor is a keystone optical element in polarization-dependent isolators, optical modulators, polarimetry systems, ellipsometers, shutters and many other polarization-based devices. Polarcor is characterized by high extinction and throughout the 600 nm to 2300 nm wavelengths. The polarization mechanism (resonant absorption by elongated silver crystals within the glass material) ensures the elimination of stray light, by absorbing the unwanted polarization. Since Polarcor is a solid glass product it is extremely resistant to chemical, physical and thermal damage, while exhibiting excellent optical properties.
Polarcor can be used to:
· Create or block polarized light
· Reduce glare and suppress reflections
· Enhance contrast of images
· Modulate energy
· Control intensity and color
· Improve signal to noise ratio
Applications:
· Polarization-dependent optical isolators
· Infrared sensors
· Instrument filters
· Modulators
· Fiber polarizers
· Magnetic anomaly detectors
· Various fiber optic devices
Reliability
Polarcor has served the telecommunications market since 1984 and has been used in millions of optical isolators without any reported failures.
Typical Polarcor Performance
The table below shows typical performance for nominal wavelengths of 633 nm – 2100 nm.
|
λNominal (nm) |
633 |
800 |
900 |
1060 |
1310 |
1480 |
1550 |
2100 |
|
Polarization Bandwidth (nm) |
630 - 700 |
740 - 860 |
840 - 960 |
960 - 1160 |
1275 - 1345 |
1460 - 1500 |
1510 - 1590 |
2000 - 2100 |
|
Contrast Extinction Ratio (dB) |
> 10,000:1 > 40 |
> 10,000:1 > 40 |
> 10,000:1 > 40 |
> 10,000:1 > 40 |
> 100,000:1 > 50 |
> 100,000:1 > 50 |
> 100,000:1 > 50 |
> 10,000:1 > 40 |
|
Transmittance (%) Insertion Loss (dB) without AR-Coating |
> 76.5 < 1.16 |
> 84.0 < .76 |
> 87.0 < 0.60 |
> 88.5 < 0.53 |
> 90.5 < 0.43 |
> 90.5 < 0.43 |
> 90.5 < 0.43 |
> 90.5 < 0.43 |
|
Transmittance (%) Insertion Loss (dB) for 2 sides AR-Coated |
> 83.9 < 0.76 |
> 91.3 < 0.39 |
> 94.3 < 0.25 |
95.7 < 0.19 |
> 98.5 < 0.06 |
> 98.5 < 0.06 |
> 98.5 < 0.06 |
- - |
|
Refractive Index @ λNominal |
1.5210 |
1.5161 |
1.5138 |
1.5123 |
1.5088 |
1.5061 |
1.5051 |
1.5020 |
|
Reflectance R (%) per each side* |
< 0.4 |
< 0.4 |
< 0.4 |
< 0.4 |
< 0.25 |
< 0.25 |
< 0.25 |
- |
|
Thickness (mm) |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 & 0.20 |
0.50 & 0.20 |
0.50, 0.20 & 0.15 |
0.50 |
|
Thickness Tolerances |
±0.05 mm for product with 0.5 mm thickness and ±0.03 mm for products with 0.2 mm and 0.15 mm thickness. |
|||||||
* This is the measured reflectance of a witness sample at 0º ± 5º AOI (Angle of Incidence) with randomly polarized light and
where the incident media is air. The witness sample is a substrate such as BK7 material coated along with Polarco glass polarizers parts and it is used for spectral and durability tests.
|
Wavelength Bandwidth (nm) |
Polarco wide band |
|
|
Polarization Bandwidth (nm) |
600 - 1100 |
1275 - 1635 |
|
Contrast Extinction Ratio (dB) |
> 10,000:1 > 40 |
> 100,000:1 > 50 |
|
Transmittance (%) Insertion Loss (dB) without AR-Coating |
> 60.0 < 2.20 |
- - |
|
Transmittance (%) Insertion Loss (dB) for 2 sides AR-Coated |
> 66.0 < 1.8 |
> 98.5 < 0.06 |
|
Refractive Index @ Wavelength Bandwidth |
1.5218 – 1. 5107 |
1.5083 – 1.5034 |
|
Reflectance R (%) per each side* |
< 1.0 |
< 0.2 |
|
Thickness (mm) |
0.50 |
0.50 & 0.2 |
|
Thickness Tolerances (mm) |
±0.05 mm for product with 0.5 mm thickness and ±0.03 mm for products with 0.2 mm and 0.15 mm thickness. |
|
Typical key specifications for Polarco ultraThin glass polarizers
|
λNominal (nm) |
1060 |
|
