Purpose:
- is the main optical element for the extraction of a given wavelength in various spectral optical devices, such as monochromators and spectrographs, intended for scientific research and production needs;
- spatial spectral filtration of radiation.

Technologies used:
- technology of holographic production;
- technology of copying diffraction elements using polyester resins;
- technology for manufacturing high-quality parallel-plane substrates;
- technology of precision chemical etching of materials.

Benefits:
- high maximum frequency of strokes;
- large maximum working surface size;
- absence of "spirits";
- low level of scattered light;
- the possibility of manufacturing curvilinear strokes and strokes with a variable period;
- the ability to work on both reflection and light transmission.


Workpiece size, mm up to 90x90

Working area, mm up to 85x85

Number of strokes per mm 70 - 600

Working spectral range of visible and near IR

Relative efficiency for operating wavelength, 40

Resolution in the first working order

(from the theoretical value) 0.9