The 1550nm Pulsed Erbium Fiber Laser from Neptec Optical Solutions is a Laser with Wavelength 1548 to 1552 nm, Power 20 to 35 W, Pulse Energy 1.25 to 2.20 µJ, Pulse Width 5 to 50 ns, Repetition Rate 12 to 20 kHz. More details for 1550nm Pulsed Erbium Fiber Laser can be seen below.