amorphous material transmitting infrared radiation

initialism: AMTIR
https://doi.org/10.1351/goldbook.08565
Amorphous glasses made from elements of groups 4, 5 and 6 of the Periodic Table that transmit infrared radiation.

Note: AMTIRs are hard but can be brittle.

Examples: AMTIR-1, which is GeA33AsA12SeA55, and AMTIR-3, which is GeA28SbA12SeA60.

Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 737 [Terms] [Paper]