Specifications：

 - Wavelength Range: 1475 to 1575 nm

- Wavelength Resolution: 0.001 nm at 1550 nm

- Optical Output Level: > +1 dBm (typ.)

- Fiber Type: 9/125 um SMF

- Spectral Linewidth: 100 KHz (typ., coherent control OFF); 50-500 MHz (typ., coherent control ON at 1500-1570 nm)

- Optical Power Stability: +/- 0.03 dB

- Wavelength Accuracy: +/- 0.1 nm

8167B/8D/8E/8F Tunable Laser Source User Guide

http://cp.literature.agilent.com/litweb/pdf/08168-91031.pdf

Options for the Agilent 8168E:
 

- Option 003: built-in optical attenuator, 40 dB attenuation

- Option 007: Polarization maintaining fiber, Panda-type, for straight or angled connector types (cannot be combined with option 003 or 023).

- Option 021: straight contact connector

- Option 022: angled contact connector

- Option 023: Diamond HMS-10/HP/HRL angled, non-contact connector (cannot be combined with option 007).