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The Keysight (Agilent) 81655A is a precision Fabry-Perot laser source operating at 1310 nm with 20 mW output power and ±0.03 dB CW stability over 24 hours. Designed as a single-wavelength module, it pairs with optical power meters to support insertion loss, optical return loss, and PDL measurements.
This module is stabilized for both short and long-term use and is resistant to back reflections. It includes internal digital modulation, ensuring reliability in broadband fiber component testing.
Testwall can supply the used Keysight (Agilent) 81655A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 81655A.
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
