Mepụta ụdị nke ahịrịokwu a dị mgbagwoju anya Dị ka ọtụtụ laser telecommunication a na - achịkwa ogologo ebili mmiri, a na - arụnye mgbawa laser na thermoelectric cooler iji dozie ọnọdụ okpomọkụ.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Dị ka ọtụtụ lasers telecommunication na-achịkwa wavelength, a na-etinye mgbawa laser na thermoelectric cooler iji mee ka ọnọdụ okpomọkụ dị jụụ, na site na ime obere mgbanwe na okpomọkụ dị n'ime ngwugwu ahụ, enwere ike ịghọta nhazi nke wavelength. "