1. N 2 Laser 300  QQ 150m HF  HF + 9 PMT Boxes 9 600  QP Calib Box 1  4 Counting Room HF Calibration Optical Fiber Path 9 PMT Boxes / Quad 24 PMT Tubes / Box 216 PMTs / Quad 864 PMTs / End 1728 PMTs Total 300 mJ 337 nm Bottom Rack Calib Box Top Rack Calib Box Calib Box Bottom Rack Top Rack 9 9 9 600  QP 300  QQ

2. 300  QQ 1000  QQ (Silica) 300  QQ N 2 Laser5 x 10 14 photons 150 m4 x 10 13 8% efficiency (FSU measurement) 1 x 4 splitter2 x 10 12 4% efficiency (FIT measurement) SMA Connectors 1 x 4 splitter 75 mm Fiber to Fiber ratio = (1/0.3) 2  11 Average in/out measurement  22

3. LED 2 MIXER 50mm  15mm  15mm Polystyrene PIN3 QIE 9 600  QP 300  QQ Blue Scintilator 8mm  4mm  8mm Calibration Box  1 x 9 splitter To PMT Box PIN Diode 4mm  9mm  9mm 1 x 4 splitter2 x 10 12 photons PIN-22 x 10 8 scaled to FSU measurement Fiber (600  QP)3 x 10 6 Pulser PIN1 PIN2 LED 1

4. Calibration Tube Empty PMT TUBE (CLI) Light Guide Non-reflective coating Light Guide 600  QP Fiber (600  QP)3 x 10 6 photons CLI & LG & Fiber3 x 10 3 assume 0.1% efficiency PMT Max 3000 pe2 x 10 4 PMT BOX 5 120 SHIELDING 600  QP 40cm Light Guide PMT

5. SMA Connector Fiber 600  QP Jacket SMA Connectors Holographic Diffuser Plate 2Plate 3 SMA-SMA connector Fiber Ferrule Calibration Light Injector (CLI) Calibration Tube 9cm Aspheric Lens 11mm Focal Length Collimation Assembly