|
|
RIELTA OPTICAL COATING DEPARTMENT |
RIELTA optical coating department established in 2001 for design and manufacture of special optical filters and coating for company needs. Today we have full-scale production of long wave pass (edge) filters with a sharp cut-off below a particular wavelength. Our filters provide excellent white light immunity (both solar and headlight illumination) for RIELTA’s thermal radiation sensors. Constructed of hard, durable first-surface dielectric coatings on optical-quality IR-transmitting substrates, these filters will withstand normal cleaning and handling associated with any standard optical component.
Off-the-shelf product features:
Substrates –silicon wafers, thickness 0.3 – 0.6 mm, size 7x7, 10x10, 11x11 and 17x17 mm 2;
Coatings – PbTe, ZnS;
Quantity of interference layers - up to 37;
Bandwidth – 2 – 15 micron;
Cut-off wavelength – 5.5; 6.5; 7; 7.5 and 9 micron;
Blocking – average 0.05 %;
Transmission (Typ) – 85 – 90 %;
Surface quality - according to OST 3-1901-95;
Environmental and physical durability – according to OST 3-1901-95.
Samples of the transmission spectra
|
|
|
RIELTA optical coating department offers competitively priced custom tailored IR and near IR filters:
- cut-off long pass and short pass filters;
- band pass filters;
- antireflection coating for Ge, Si, ZnSe and etc;
- mirrors and beam splitters;
- other optical coatings for special applications. |
|
|
Phone/fax:
+7 (812) 498-19-71
+7 (812) 703-13-63
å-mail: rielta@rielta.ru |
|
|
