High-precision bandpass filters

Technical Specifications:

Substrate Materials: K9, BK7, Quartz, Sapphire, Silicon, Germanium, and more

Type: Enhanced reflection, broadband enhanced reflection, long wave pass, short wave pass, band pass, spectral, color separation, beam combination, PBS, UV filter, infrared filter

Center Wavelength (CWL): 200nm to 2500nm (customizable)

Bandwidth (FWHM): 1nm to 100nm (customizable)

Peak Transmittance (Tmax): ≥90%

Blocking Range: 300nm to 2500nm (designed according to requirements)

Surface Accuracy: Better than 1/50λ (632.8nm)

Parallelism: ≤20″

Surface Quality: 20/10

Film Thickness Uniformity Deviation: ≤10nm

Maximum Size: Up to 500mm in diameter

Applications:

Scientific Research:

In fields such as fluorescence spectroscopy, Raman spectroscopy, and atomic absorption spectroscopy, high-precision bandpass filters enable researchers to obtain more accurate spectral data, driving breakthroughs in cutting-edge scientific research.

Biomedical:

Used in biomedical equipment such as flow cytometers, fluorescence microscopes, and DNA sequencers.

Laser Technology:

Applied in laser communication, laser processing, LiDAR (Light Detection and Ranging), and other laser-related fields.

Environmental Monitoring:

Utilized in environmental monitoring equipment for gas composition analysis, water quality testing, and atmospheric pollution monitoring.

Customization Services

We understand that each customer's needs are unique, which is why we offer comprehensive customization services. Whether you require a specific center wavelength, bandwidth, size, or shape for your high-precision bandpass filter, our expert team can tailor a solution to meet your exact requirements. From initial design concepts to final product delivery, we will work closely with you every step of the way to ensure the product fully meets your expectations.