* Volume Phase Holographic Diffractive Gratings (Dichromated Gelatin)
* IR sensors – PbS, PC-PbSe, PV-PbSe, MCT, InSb
* Luminiscent emitters (not LEDs) for 2.5 – 4.5 micron spectral range;
* Sets for gas detection:
** two IR detectors with filters (for a gas band & for reference)
** two IR emitters luminiscent emitters (not LEDs);
* Optics of Quartz, CaF2, Sapphire, KBr, ZnSe, Si, Ge, KRS-5, etc
* AR-Coating: broad-band or narrow-band (filters)
