Used HP 8562E

HP 70902A IF Section Module. 10 Hz to 300 kHz.

HP 70903A IF Section Module. 100 kHZ to 3 MHz.

HP 70100A Power Meter Module. 100 kHz to 50 GHz.

HP 70100A Power Meter Module. 100 kHz to 50 GHz.

HP 70310A Precision Frequency Reference Module.

HP 70907B External Mixer Interface Module.

Programmed test Sources D310 Frequency Synthesizer .1 to 310 Mhz. PTS D310 DUAL CHANNEL FREQUENCY SYNTHESIZER. two fully independent channels, each covering 0.1-310 MHz, +3 to +13 dBm output, low phase noise  fast switching, 3-20 µs,fully programmable, BCD or GPIB, DDS standard with phase-continuous switching, low power consumption, high reliability

Agilent 86142B Optical Spectrum Analyzer No Options installed. The Keysight 86142B is a benchtop optical spectrum analyzer (OSA) that is best suited for WDM component and system test applications where power and wavelength accuracy, dynamic range and low polarization dependency are critical. The high performance capability combined with the advanced feature set and on-board measurement applications enables you to make highly accurate measurements quickly and easily. These advanced features have been tailored towards increasing your product yields, maximizing manufacturing capacity and minimizing costs. The onboard measurement applications have been designed for ease of use requiring minimal training while retaining flexibility to customize measurements for individual needs.115V, 50/60Hz

HP 8169A Polarization Controller. The 8169A Polarization Controller, with single-mode fiber input and output, is used to change the light from any polarized or unpolarized light source into any well-defined state of polarization. 120V, 50/60Hz, 1A

JDS Uniphase SWS16102 L Band Source Optics 4 outputs.