detector deuterated lanthanum triglycine sulfate detector deuterated L-alanine doped triglycine sulfate. (DLaTGS) detector dLaTgS detector CHMO:0002247 DLATGS detector DLaTGS detector dlatgs detector deuterated lanthanum triglycine sulfate (DLATGS) detector 2009-08-05T12:02:27Z https://orcid.org/0000-0001-5985-7429 A very sensitive temperature-controlled detector for mid-infrared range measurement that employs temperature-sensitive ferroelectric crystals of either deuterated lanthanum triglycine sulfate or deuterated L-alanine doped triglycine sulfate. As the temperature and hence polarisability of the crystals changes (due to the absorption of infrared radiation) a charge is generated which is detected by two parallel electrodes. The deuterated forms of the crystals are used because they have a higher Curie point.