Request InfoTerahertz Technologies Inc.Terahertz Technologies Inc.'s TIA-950 is a fiber optic probe that mounts directly onto the input of an oscilloscope or digitizer. It provides true electrical isolation with an internal 9-V lithium battery. The device detects 900- to 1700-nm wavelengths, has a gain selection switch and provides peak response value of about 1200 to 12,000 V/W. 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