Distributed Feedback (DFB) Lasers are single mode lasers containing an integrated grating structure. The result is a single mode emission at an outmost precise wavelength with an extremely narrow line width. Our Distributed Bragg Reflector (DBR) lasers have built-in resistors to allow for mode-hop-free tunability. These products are for sophisticated industry applications, e.g. fiber testing, and science, such as analytics, Raman spectroscopy, frequency conversion, and exciting certain atom resonances. eagleyard provides the largest variety of wavelengths available on the market. Find your suitable product between 760 and 1,083 nm with output powers from 50 to 150 mW.2