Request InfoLaser Components (UK) Ltd.The Specdilas-D-BTF series from Laser Components IG Inc. is a distributed feedback diode laser for spectroscopy. Various wavelengths within the 1270- to 1854-nm range are available. The laser is coupled to a single-mode fiber in a butterfly package and has multiple quantum wells. It can be mounted on compact SOT hermetically sealable headers or pigtailed. 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