Gold Flat Mirror / TFG_TFGS
Gold (Au) coated reflection mirrors have high reflectance over wide infrared range.
Common Specifications
| Material | BK7 Hard glass(Pyrex®etc.) Silicon crysta |
 |
|---|---|---|
| Coating | Cr(chrome)+Au(Gold) | |
| Parallelism | ＜3′ | |
| Surface Quality (Scratch-Dig) | 40-20 | |
| Clear Aperture | 90% of diameter or circle that internally contacts 90% square of diameter | |
| Laser Damage Threshold | 1.2kW/cm2(CW laser) |
| Schematic | Outline Drawing(Circle) | Outline Drawing(Square) |
|---|---|---|
 |
 |
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| Circle | |||||||
|---|---|---|---|---|---|---|---|
| Part Number | Diameter φD |
Thickness t |
Surface Flatness | Material | Rear Surface | Quantity | |
| (Wavelegth 632.8nm) | (Convert at 10.6μm) | ||||||
| TFG-20C05-10 | φ20mm | 5mm | λ/10 | λ/160 | BK7 | Ground | 1 piece |
| TFG-25C05-10 | φ25mm | 5mm | λ/10 | λ/160 | BK7 | Polished | 1 piece |
| TFG-25C05-10-C | φ25mm | 5mm | λ/10 | λ/160 | BK7 | Polished | 10 pieces 1 set |
| TFG-30C05-10 | φ30mm | 5mm | λ/10 | λ/160 | BK7 | Polished | 1 piece |
| TFG-40C06-10 | φ40mm | 6mm | λ/10 | λ/160 | BK7 | Polished | 1 piece |
| TFG-50C08-10 | φ50mm | 8mm | λ/10 | λ/160 | BK7 | Polished | 1 piece |
| Square | ||||||
|---|---|---|---|---|---|---|
| Part Number | Length A |
Thickness t |
Surface Flatness | Material | Rear Surface | |
| (Wavelegth 632.8nm) | (Convert at 10.6μm) | |||||
| TFG-20S05-10 | □20mm | 5mm | λ/10 | λ/160 | BK7 | Ground |
| TFG-25S05-10 | □25mm | 5mm | λ/10 | λ/160 | BK7 | Ground |
| TFG-30S05-10 | □30mm | 5mm | λ/10 | λ/160 | BK7 | Ground |
| TFG-50S08-10 | □50mm | 8mm | λ/10 | λ/160 | Hard glass | Polished |
| Gold Silicon Mirrors | ||||||
|---|---|---|---|---|---|---|
| Part Number | Diameter φD |
Thickness t |
Surface Flatness | Material | Rear Surface | |
| (Wavelegth 632.8nm) | (Convert at 10.6μm) | |||||
| TFGS-30C03-2 | φ30mm | 3mm | λ | λ/16 | Silicon crystal | Ground |
| TFGS-40C04-2 | φ40mm | 4mm | λ | λ/16 | Silicon crystal | Ground |
| TFGS-50C05-2 | φ50mm | 5mm | λ | λ/16 | Silicon crystal | Ground |
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