About Optolong Optics Co. Ltd- Type: Filter Coatings
- Diameter / Dimension: 3mm - 150mm
- Filter Coating - Category: IR
- Applications: Astronomy, Biomedical/Medical, Industrial, Military, Scientific Research
- AOI: 0-45 deg
- Transmission: <99.9%
- Standatd Specta Range: 300-1100nm
- Standard Clear Aperture: 90% or client demand
- Standard Scratch-Dig: 80/50 (60/40 or 40/20 or client demand)
- Size (circle) (square): ∮150,∮4，150×150, 3.5×3.5
Customize thin film coating
Design coating: Based on clients’ requirements/applications
Processing waveband: Ultraviolet, Visible, near infrared, infrared band
Processing capability: Vacuum ion assisted coating (IAD), Hard coating
Coating types: Bandpass, longpass, shortpass, Anti-reflection, Beamsplitter, dichroic mirror
Coating technology
Double-sided polished substrate, good flatness and parallelism to avoid to halo/ghost image
E-Beam gun
Ion assisted coating, firm coating film, no wavelength shift
Planet wheel coating fixture, wavelength consistency