WDQ OPTICS's infrared filter and window are manufactured by hard coating technology, which can make the film have excellent environmental stability.
It can pass through, so it is transparent, but after dyeing the dye, the molecular structure changes, the refractive index also changes, and the passage of some colored light changes. For example, when white light passes through a blue filter, it emits blue light, while there are very few green and red lights, and most of them are absorbed by the filter.
At present, the thickness of the infrared filter is 1.0mm, 1.2mm, 1.5mm, 2.0mm, and 3.0mm respectively. The most widely used thickness is 1.0mm and 1.5mm. The ordinary hardness of the acrylic infrared filter is 2h, and the hardness after ordinary hardening is 4h, which can be hardened to 6h. According to general intelligent products, most infrared filters with 2H hardness are enough, except for some products with special requirements for hardness.
WDQ OPTICS infrared filter production for 3-5 μ M and 8-12 μ M infrared filter and window of the atmospheric window. These filters are suitable for infrared imaging applications such as thermal imaging, night vision, surveillance, fire protection, mine detection, medical imaging, preventive maintenance and industrial process control.
Functions: high transmittance, high rejection ratio outside the passband, good surface quality and coating uniformity make our filters have excellent performance.
Substrate material: typical substrate materials are germanium, silicon, FZ Silicon, sapphire, ZnS and ZnSe
WDQ OPTICS infrared filter features:
1. We independently design and manufacture optical interference filters, using advanced technology and design standards.
2. In the fields of spectrum, long-distance communication and extreme speed laser system, our high-efficiency diffraction grating meets and exceeds customers' expectations.
3. We provide coating services ranging from 193 nm to 20000 nm thick, including anti reflective coating, high reflective coating and laser diode.
Optical filters have a wide range of applications, such as:
1. Air quality: monitor air pollution in road tunnels and urban areas.
2. Alcohol analysis: driver safety control.
3. Automation: eliminate interfering light.
4. Biotechnology: fluorescence microscopy and spectroscopy.
5. Automotive Industry: exhaust emission control.
6. Chemical industry: industrial production control.
7. Flame: efficiency control of large power plants to protect the environment.
8. Food industry: quality control of protein and fat content in milk, grain, etc. Drinking water analysis.
9. Gas analysis: industrial production control.
10. Laser system: eliminate interference light.
11. Medical services: patient examination and monitoring.
12. Moisture measurement: moisture control in pulp and paper industry.
13. Personal safety: monitor harmful gas in a closed environments such as mine
14. Photometer: laboratory and medical sample analysis.
15. Temperature: monitor industrial processes.
16. Thermal analysis: monitor heat leakage in machines, buildings and airport safety.
Narrow bandpass filters, HW < 3% of CWL
General Specifications：
Diameter: 25.4 mm +0/-0.2 mm
Thickness: Specified in the filter list below （mm）, tol ±0.2 mm
Blocking: Avg < 0.1 % UV to block high
Slope: < 5 %w
It can pass through, so it is transparent, but after dyeing the dye, the molecular structure changes, the refractive index also changes, and the passage of some colored light changes. For example, when white light passes through a blue filter, it emits blue light, while there are very few green and red lights, and most of them are absorbed by the filter.
At present, the thickness of the infrared filter is 1.0mm, 1.2mm, 1.5mm, 2.0mm, and 3.0mm respectively. The most widely used thickness is 1.0mm and 1.5mm. The ordinary hardness of the acrylic infrared filter is 2h, and the hardness after ordinary hardening is 4h, which can be hardened to 6h. According to general intelligent products, most infrared filters with 2H hardness are enough, except for some products with special requirements for hardness.
WDQ OPTICS infrared filter production for 3-5 μ M and 8-12 μ M infrared filter and window of the atmospheric window. These filters are suitable for infrared imaging applications such as thermal imaging, night vision, surveillance, fire protection, mine detection, medical imaging, preventive maintenance and industrial process control.
Functions: high transmittance, high rejection ratio outside the passband, good surface quality and coating uniformity make our filters have excellent performance.
Substrate material: typical substrate materials are germanium, silicon, FZ Silicon, sapphire, ZnS and ZnSe
WDQ OPTICS infrared filter features:
1. We independently design and manufacture optical interference filters, using advanced technology and design standards.
2. In the fields of spectrum, long-distance communication and extreme speed laser system, our high-efficiency diffraction grating meets and exceeds customers' expectations.
3. We provide coating services ranging from 193 nm to 20000 nm thick, including anti reflective coating, high reflective coating and laser diode.
Optical filters have a wide range of applications, such as:
1. Air quality: monitor air pollution in road tunnels and urban areas.
2. Alcohol analysis: driver safety control.
3. Automation: eliminate interfering light.
4. Biotechnology: fluorescence microscopy and spectroscopy.
5. Automotive Industry: exhaust emission control.
6. Chemical industry: industrial production control.
7. Flame: efficiency control of large power plants to protect the environment.
8. Food industry: quality control of protein and fat content in milk, grain, etc. Drinking water analysis.
9. Gas analysis: industrial production control.
10. Laser system: eliminate interference light.
11. Medical services: patient examination and monitoring.
12. Moisture measurement: moisture control in pulp and paper industry.
13. Personal safety: monitor harmful gas in a closed environments such as mine
14. Photometer: laboratory and medical sample analysis.
15. Temperature: monitor industrial processes.
16. Thermal analysis: monitor heat leakage in machines, buildings and airport safety.
Narrow bandpass filters, HW < 3% of CWL
General Specifications：
Diameter: 25.4 mm +0/-0.2 mm
Thickness: Specified in the filter list below （mm）, tol ±0.2 mm
Blocking: Avg < 0.1 % UV to block high
Slope: < 5 %w
Infrared filter