The CTL 1500 from TOPTICA Photonics is a Laser with Wavelength 1460 to 1570 nm, Power 50 mW, Output Power (CW) 50 mW, power at edge: 25 mW, Operating Temperature 15 to 30 Degree C, Storage Temperature 0 to 40 Degree C. More details for CTL 1500 can be seen below.