Andrea Detector System

Andrea/nathan

Status 28/7/15

RDK101DCold head/CNA11C Compressor - refurbished 2012 (Chandra's original cold head compressor)

20588 hrs total

Cryostat parts

We already have:

manifold

SMA feedthru (4x SMAs)

12 pin Limo for Thermometer flange

Main valve

Fibre feedthrough flange

Vacuum can & quick release flange

3 x DT670 Si diodes (calibrated)

We need

SIM900 rack with thermometer readout, 2 x voltage sources

12 pin limo cable and breakout box (job for electrical workshop)

Fibre feedthrough and breakout box (old version from Zephynator is free)

Log book

Goals for end August 2015

connect thermometers

leak test cryostat

test if cold head will cool down

(borrow breakout from Zephynator if necessary)

Order new SIM 900?

Get workshop to make thermometer breakout

Order power supplies for amps

To bear in mind

What detectors? 2 channels min 3rd desirable

SMF coupled, high efficiency at 1550 nm, low jitter (Delft or NICT or GU?)