Optical Glass Fused Silica Right Angle Prism ,Fingerprint Prism
- Changchun Beijing Shenzhen Shanghai
- Credit Card
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Product Details
| Place of Origin | Jilin, China | Brand Name | CCRQ | |
| Model Number | CCRQ-right angle prism | Material | Other, Glass, BK7 Optical Glass,Fused silica | |
| Usage | Optical | Structure | Other, right angle prism | |
| Shape | Plano |
Product Description
Optical Glass Fused Silica Right Angle Prism ,Fingerprint prism
This finerprint prism mainly used in capturing system and input system of the fingerprint device,
now it is the most widely used prism in fingerprint device,after the led light going through the uniform frosting surface of the prism, it became a kind of uniform light, when one's finger touch the interface of the capturing system, the fingerprint data will enter into the system through the light path, then the capturing work finished,this kind of prism belongs to low-end fingerprint device, which with a bit simple light path, so, the whole capturing system cost is relatively low.
A prism fingerprint sensor is described that uses a holographic grating glued to a right-angled prism. A light source normally illuminates the hypotenuse side of the prism with the finger pressed against the grating. The ridges and valleys of the finger are sensed on the basis of the principle of total internal reflection. The grating is used essentially to correct the distortion usually present with prism sensors. The quality of the fingerprint is very good: the pores on the ridges can be seen.
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Technical Specifications:
| Material | BK7 Optical Glass,Fused Silica |
| Dimension | 5mm 7mm 10mm 15mm 20mm 50mm 150mm |
| Dimension Tolerance | +/-0.15mm, +/-0.2mm, +0/-0.1mm as request |
| Clear Aperture | >90% |
| Surface Quality | 60/40 |
| Flatness | lambda/4 per 25nm at 632.8nm |
| Angle Tolerance | <3' |
| Edge | Fine ground and beveled |
| Coating | Anti-Reflective (AR) Coatings,Reflective Coating |
Contact Us
- Changchun Ruiqi Optoelectronics Co., Ltd.
- Contact nameAmy wang Chat Now
- Phone86-431-81006808
- AddressErdao Disctrict, Changchun, Jilin
Product Categories
| Aspherical lens | Ball lens | CO2 Laser Optical | Cylindrical lens |
| Filters | Google Carboard Lens | Laser Collimator Lens | Laser Module |
| Mirrors | New Products | Optical windows | Prisms |
| Spherical lens | Waveplate |
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