FM ILT reference numbers

Ge:Ga detector settings

• Blue

  • par	value	comment
    Bias d	198 mV	From bias / heater loop test
    Bias r	10 mV	Component level value - to be verified on CRE checkout test
    Heater	1.84 mA	From bias / heater loop test - corresponds to 2.68K

• Red

  • par	value	comment
    Bias d	69 mV	From bias / heater loop test
    Bias r	10 mV	Component level value - to be verified on CRE checkout test

Grating

• Configuration table: CONFGrat. Column : FMILTFast / FMILT_R_Fast for redundant
• Accessible range :
  • 50K - 1045K (nominal)
  • 65K - 1065K (redundant)
• Conversion wavelength - grating position:

Chopper

• Configuration table column : CSLopt1
• Accessible range : -12500 to + 12500
• Optical zero : 650 (nominal)
• Conversion chopper position - angle on the sky:

Filter Wheel PHOT

• POS A = Long wavelength (Green)
• POS B = Short wavelength (Blue)

Filter Wheel SPEC

• POS A = Short wavelength (50-70um)
• POS B = Long wavelength (70-100um)

Calibration sources

• CS1
  • 80 Ohm = 71K
  • Chopper position center : - TBD
• CS2
  • 92 Ohm = 76K
  • Chopper position center : + TBD

XY stage

• Spectrometer
  • Focus : +5mm (from FMILT-1, not incompatible with spectro FMILT-2)
  • Center spectro field :
    • x = -12.8 mm
    • y = +1.2 mm
• Photometer
  • Focus : +5mm (from FMILT-1)
  • Center field :
    • x = 4 mm
    • y = 0