N2 Laser

300 QQ 150m

HF

HF +

9 PMT Boxes

9 PMT Boxes

9 PMT Boxes

9 PMT Boxes

9600 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

99

600 QP

300 QQ

300QQ 1000 QQ (Silica) 300 QQ

N2 Laser 5 x 1014 photons

150 m 4 x 1013 8% efficiency (FSU measurement)

1 x 4 splitter 2 x 1012 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

LED 2

MIXER 50mm 15mm 15mm

PolystyrenePIN3

QIE

9600 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 splitter 2 x 1012 photons

PIN-2 2 x 108 scaled to FSU measurement

Fiber (600 QP) 3 x 106

Pulser

PIN1PIN2

LED 1

Calibration Tube

Empty PMT TUBE (CLI)

Light GuideNon-reflective coating

Light Guide

600 QP

Fiber (600 QP) 3 x 106 photons

CLI & LG & Fiber 3 x 103 assume 0.1% efficiency

PMT Max 3000 pe 2 x 104

PMT BOX

5

120

SHIELDING

600 QP

40cm

Light GuidePMT

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