ISUAL Spectrophotometer Overview S.Harris
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Spectrophotometer Description Six Channels Identical except for Spectral Bandpass 50 mm f/2 Lens Aperture limits FOV to 20 deg X 5 deg Uses Ruggedized EMR Photomultiplier Tubes Individually Adjustable HV for each Unit Six Co-aligned Modules Packaged with HV and Pre- Amps as one Unit Remainder of Electronics contained in AEP
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Mechanical Layout of One Channel
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar One Channel Solid Model
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Spectrophotometer Optical Data SP Channels 1& Bandpass: nm No filter used EMR type 541 PMT Rubidium Telluride photocathode Sapphire window 2 -- Bandpass: nm Barr UG-5 glass filter EMR type 541 PMT Bi-alkali photocathode Magnesium Fluoride window
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Spectrophotometer Optical Data SP Channels 3& Center: 337 nm Barr interference filter EMR type 741 PMT Bi-alkali photocathode Sapphire window 4 -- Center: nm Barr interference filter EMR type 741 PMT Bi-alkali photocathode Sapphire window
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Spectrophotometer Optical Data SP Channels 5& Bandpass: nm Notch at nm Barr interference filter EMR type 741 PMT Tri-alkali photocathode Sapphire window 6 -- Center: nm Barr interference filter EMR type 741 PMT Tri-alkali photocathode Sapphire window
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Mechanical Layout of Complete Unit
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar SP Unit Solid Model
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Spectrophotometer Thermal Control HVPS heat conducted to side walls and thence to top Photomultiplier Heat also conducted to side walls & top Electronics heat conducted thru PCB to side wall mounts Filter heater assemblies are insulated with a G-10 ring
NCKU UCB Tohoku Spectrophotometer S. Harris IFR 5 Mar Spectrophotometer Analog Electronics Pre-amp/line driver, HV only Integrator and ADC in AEP