Operation of Bruker 113V

Turn on

Bolometer

Change diamond filter to position 2 before pumping

Connect pump station to the bolometer

Pump overnight using roughing pump according to instruction

Switch to turbo to get better vacuum

Precool bolometer using liquid nitrogen (fill twice to make sure it is full in both chamber) (see manual)

Precool for 15 minutes

Close the valve that connects the pumping station to the bolometer

Shutdown the pumping station according to the instruction and move it away

Blow out the liquid nitrogen from the Helium reservoir using He gas

Transport liquid He to the reservoir

Turn the diamond filter to position 1 for measurement

Turn the 3 switches on the preamplifier on

Spectrometer

Open the nitrogen gas valve (main, scanner and vent) on the wall

Close the valve that connects spectrometer to the pump

Vent the system (by ordering vent optics from the control panel)

Fire the Hg lamp

Turn on the scanner

Put in the sample assembly

Do a few test runs on the mirror and the sample to check if the level is consistent with previous runs

Evacuate the system by ordering so from the control panel

Close the vent valve

Open the valve that connects the spectrometer to the pump slowly

Do a few test runs to check if the system is stabilized to run the real experiement

Masurement…

Shut down

Turn off the three switches of the bolometer

Open the vent valve

Close the valve that connects spectrometer to the pump

Vent the system

Take the sample assembly out and put back the original lid

Close nitrogen gas valves (main, scanner and vent) on the wall

Evacuate the system by ordering so from the control panel

Open the valve that connects the spectrometer to the pump slowly