PXIe, 4-Channel, CWDM PXI Optical Laser Source—The CohSol LaserPXIe-1201-4 is a single-mode laser source. It provides four lasers with wavelengths of 1271 nm, 1291 nm, 1311 nm, and 1331 nm and 7 dBM output power. You can use this laser source in applications that require testing OCWDM4 transceivers. The CohSol LaserPXIe-1201-4 integrates well with PXI systems and is ideal for telecommunications, physics, and amplifier applications that require a stable, accurate laser source.