Here’s the page we think you wanted. See search results instead:


Contact an Expert

81689B Compact Tunable Laser

Product Status: Obsolete | View Service Options
This product is no longer available

A replacement for this product is available:

Key Features & Specifications

  • Continuous sweep through full wavelength range
  • Wavelength Range: 1525nm to 1575nm
  • Output Power: >/= 10dBm
  • Power Stability: ±0.015dB / 0.0075dB (typ) over 1hour at constant temp


The Keysight 81689B compact tunable laser is specially designed for the C- Band. It allows you to add more flexibility to your test system for DWDM passive component test.