--- type: product schema_version: 1 stock_number: "44770-3" canonical_url: "https://www.artisantg.com/TestMeasurement/44770-3/Keysight-Agilent-11980A-Fiber-Optic-Interferometer" json_url: "https://www.artisantg.com/TestMeasurement/44770-3/Keysight-Agilent-11980A-Fiber-Optic-Interferometer.json" generated_at: "2026-11-07T05:47:59.242Z" last_updated: "2026-07-30T09:10:57.047-05:00" --- # Keysight / Agilent / HP 11980A Fiber Optic Interferometer _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: HP - Model: 11980A - Condition: Used and in Excellent Condition - Price: $2,250.00 USD - Availability: In stock, 2 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 10 lb - Shipping dimensions: 18X12X8 in ## Categories - Test Equipment > Optical Test > Interferometers (primary) ## Details This Agilent 11980A Fiber Optic Interferometer is used and in excellent condition. ### Features - Optical Interface: PC - Option 005: 5km fiber, 25usec time delay Click here for a representative diagram of the output power spectrum for this 11980A Fiber Optic Interferometer. This unit comes with the standard Agilent optical interface as shown here. The Agilent 81000xI Series optical interface connectors are sold separately. They can be purchased here. ## Images -