An Interference Filter reflects one or more spectral bands or lines and transmits others, while maintaining a nearly zero coefficient of absorption for all wavelengths. It consists of multiple thin layers of dielectric material having different refractive indices. There also may be metallic layers.
Specification | |
Clear Apeture | 80% |
Surface Quality | 60/40 |
WEDGE | <3 arcmin |
Tolerance | +/-0.1mm |
Type:
Colored Glass Filter
Interference Filter
Neutral Density Filter
Bandpass Filter
Dichroic Splitter
Capacity:
Material: Optical glass and Fused silica
Dimension Tolerance: +0/-0.1 mm
Thickness Tolerance: +/-0.05mm
Surface Accuracy: λ/4
Surface Quality: 60/40
Parallelism: <3 minute
Coating: According to the requirement
FAQ
Q1:Are you a factory?
A: Yes, we're a professional optical glass factory with more than 10 years experience.
Q2: What products can I get from your company?
A: Optical lenses, prisms, filters, protective windows ect. Details please contact us.
Q3: How will you control your quality?
A: Our QC will check the lens surface accuracy and quality during the product progress every step, and also our final QC
will test the surface quality, flatness, coating, tolerance for every lens after processing.
Q4: What is your test instruments?
A: Our test instruments include the spherical interferometer, Zygo, plano interferometer, Collimatot, Goniometer,
Trioptics Lens Measurement system, Lambda900 Spectrophotometer.
Q5: What's the MOQ?
A: The MOQ is 10pcs.
Q6: How can I get a sample?
A: Contact us for detailed requests on samples and we'll arrange them accordingly.
Q7: What's the delivery date?
A: Normally it takes 4-5 weeks.
