THz Windows
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Download THz Windows Datasheet (PDF, 195 KB) |
We offer THz windows made of crystal and polymer materials.
1. Crystals
1.1 HRFZ-Si Windows
Commom specification:
| Material | HRFZ-Si |
| Type | plano-plano |
| Available sizes, mm | to 150 |
| Diameter or cross-cut tolerance,mm | +0.0 /-0.1 |
| Thickness tolerance, mm | +/0.1 |
| Clear apperture, % | >=90 |
| Parallelism, arc. min | 3 |
| Surface quality, scr/dig | 60/40 |
| Surface accuracy, mm | +/-0.01 deviation from ideal plane |
| Coating | AR coatings upon request |
The following HRFZ-Si windows are available from stock:
| No. | Diameter | Thickness, mm | |
| mm | inches | ||
| 1 | 25.4 | 1.0 | 1.0 |
| 2 | 38.1 | 1.5 | 1.0 |
| 3 | 50.8 | 2.0 | 1.0 |
| 4 | 76.2 | 3.0 | 1.0 |
| 5 | 101.6 | 4.0 | 1.0 |
Custom sizes are manufactured upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
For price quotation and delivery please fill in our Request form.
1.2 THz Grade Crystal Quartz and THz Grade Sapphire Windows
Commom specification:
| Material | THz grade crystal quartz (z-cut) and THz grade sapphire |
| Type | plano-plano |
| Dimensions tolerance, mm | ±0.1 |
| Clear apperture, % | >=90 |
| Parallelism, arc. min | 5 |
| Surface quality, scr/dig | 80/50 |
| Surface accuracy, mm | ±0.01 deviation from ideal plane |
| Coating (for crystal quartz) | AR coatings upon request |
The following THz Grade Crystal Quartz windows are available from stock:
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Alternate sizes and custom designs are available upon request.
The following sizes of THz grade crystal quartzare are available:
- for crystals grown along Z-axis: X >=100 mm, Y>=150 mm and Z up to 35 mm;
- for crystals grown along X-axis: X up to 30 mm, Y>=100 mm and Z>=125 mm.
THz grade sapphire windows are available upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
For price quotation and delivery please fill in our Request form.
2. Polymers
2.1 TPX
Commom specification:
| Material | TPX |
| Type | plano-plano, wedged (wedge is 6 mrad) |
| Available diameters, mm | to 300 |
| Dimensions tolerance,1mm | + /-0.25 |
| Clear apperture, % | >=90 |
| Surface quality, scr/dig | 80/50 (two-sided polishing) |
| Surface roughness | Rz 0.025 |
| Surface accuracy, mm | ±0.01 deviation from ideal plane |
The following TPX windows are available from stock:
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Custom sizes (max thickness 30 mm) are manufactured upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
2.2 ZEONEX
Commom specification:
| Material | ZEONEX |
| Type | plano-plano, wedged |
| Available diameters, mm | to 120 |
| Dimensions tolerance,1mm | + /-0.25 |
| Clear apperture, % | >=90 |
| Surface quality, scr/dig | 80/50 (two-sided polishing) |
| Surface roughness | Rz 0.05 |
| Surface accuracy, mm | ±0.01 deviation from ideal plane |
ZEONEX windows are manufactured upon request.
For price quotation and delivery please fill in our Request form.
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