Request InfoTerahertz Technologies Inc.The LTS-1500, an automated fiber optic loss test set, has been released by Terahertz Technologies Inc. The device characterizes single- and multimode fiber links at wavelengths of 850, 1300, 1310, 1490 and 1550 nm. It is composed of a sensitive InGaAs-based optical power meter calibrated at six wavelengths with better than –75 dBm noise level. It also performs fiber identification functions with modulation frequencies of 270, 1000 and 2000 Hz. 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