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GEM Series Coaxial HPGe Detector

Product Configuration Guide

13

DWR-S/F

CFG-PG4-1.2 (or -3 or -5) or

CFG-GG, DWR-1.2G (or -3.0G, -5.0G) 

CFG-PMOD4-3 (or -7) or

CFG-GG, DWR-MOD3L (or -MOD7L)

Note: Cryostat/Dewar drawings are NOT to scale, see tables that follow for complete dimensions.

Dimensions are for reference only and subject to change, if dimensional constraints are critical, contact the factory.

Cryostat/Dewar or Dewar Type

CFG-PG4 and DWR-x.xG

CFG-PMOD4 and

DWR-MOD-xL

CFG-PS4, CFG-PD4, DWR-xxB and

DWR-xxD

VOLUME

VOLUME

VOLUME

Dim.

UNIT

TOL. ±

1.2L

3L

5L

3L

7L

7.5L

13L

30L

Q

mm

(in)

13

(0.5)

229

(9.0)

302

(11.9)

302

(11.9)

229

(9.0)

302

(11.9)

X

X

X

X

X

X

R

mm

(in)

10

(0.4)

X

X

X

X

X

X

X

X

X

X

174

(6.9)

174

(6.9)

155

(6.1)

S

mm

(in)

7.6

(0.3)

X

X

X

X

X

X

X

X

X

X

77

(3.0)

77

(3.0)

60

(2.3)

T

mm

(in)

5

(0.2)

X

X

X

X

X

X

X

X

X

X

10

(0.4)

10

(0.4)

13

(0.5)

Y

mm

(in)

13

(0.5)

157

(6.2)

229

(9.0)

229

(9.0)

157

(6.2)

229

(9.0)

224

(8.8)

307

(12.1)

442

(17.4)

Z

mm

(in)

5

(0.2)

229

(9.0)

267

(10.5)

419

(16.5)

292

(11.5)

320

(12.6)

452

(17.8)

429

(16.9)

610

(24.0)

Gamma Gage and Side-Looking Dewar Dimensions

• Dimensions are for reference only and subject to change.

• If dimensional constraints are critical, contact the factory.

Summary of Contents for GEM100P4

Page 1: ...um FWHM at 1 33 MeV and optimum shaping time Relative Photopeak efficiency at 1 33 MeV Peak to Compton ratio at 1 33 MeV Peak shape ratio for the full width tenth maximum to the full width half maximum at 1 33 MeV Energy resolution at 122 keV at optimum shaping time Configuration Guidelines PopTop or Streamline non PopTop Configuration The essence of a PopTop detector system is that the HPGe detec...

Page 2: ... Cryocooling System Option ICS ICS E The Integrated Cryocooling System ICS cryostat is sealed with a cryocooler and is immune to thermal short cycling Unlike the typical three day loss of use of the detector with a standard type cryostat the ICS can be re cooled immediately minimizing any time lost for temporary warm up The ICS is available with an internal preamplifier ICS or an external preampli...

Page 3: ...ptions RB LB C and XLB C Carbon Fiber is as strong as Al Mg and Cu creates less background does not corrode and can detect energies less than 10 keV This lower background material allows for lower Minimum Detectable Activity MDA for a specific counting time which provides another step in increasing sample throughput in low background counting applications The lower Z of Carbon Fiber provides a low...

Page 4: ...d 4 length and adds a replaceable desiccant PopTop Detector Capsule PopTop Cold Finger Coupling Streamline Detector Capsule Ge Crystal Mount Preamplifier Front End Preamplifier Outside Vacuum High Voltage Filter Endcap Diameter 70 76 83 95 or 108 Cup default is Al LB C and XLB C change to Cu Preamplifier default is Resistive Feedback PL changes to Transistor Reset SMP changes to SMART 1 with HV Wi...

Page 5: ...Lxxx xxx specified length See Chart Streamline Detector Capsule for Integrated Cryocooling System with Internal Preamplifier ICS Endcap default is Al ICS LB changes to High Purity Al Ge Crystal Mount Preamplifier Front End Preamplifier Outside Vacuum High Voltage Filter Endcap Diameter 70 76 83 95 or 108 Cup default is Al Preamplifier default is Resistive Feedback PL changes to Transistor Reset SM...

Page 6: ...Standard Dewars are DWR 7 5D 13D or 30D CFG SD XLB adds Internal Pb Shield Diameter must match Endcap Diameter 70 76 83 95 or 108 Standard Dewars are DWR 7 5B 13B 30B and MOBIUS B Remote Preamplifier Standard Cryostat uses Molecular Sieve Pumping Agent LB changes Pumping Agent to charcoal CFG HJ Standard Cryostat uses Molecular Sieve Pumping Agent LB and XLB change Pumping Agent to charcoal XLB ad...

Page 7: ...ms detector capsule and cryostat or ICS share the same vacuum A cryostat or ICS must be ordered with a Streamline capsule The cryostat or cryostat dewar selection must have a matching diameter to the capsule endcap The PopTop capsule features an internal vacuum arrangement It can be mounted on any of the available PopTop cryostats cryostat dewar combinations or the X COOLER III or ICS P4 mechanica...

Page 8: ...SH DWR 30 CFG SH MOBIUS ST Note Cryostat Dewar drawings are NOT to scale see tables that follow for complete dimensions Dimensions are for reference only and subject to change if dimensional constraints are critical contact the factory CFG PH4 DWR 30 CFG PH4 MOBIUS PT ...

Page 9: ...ote Cryostat Dewar drawings are NOT to scale see tables that follow for complete dimensions Dimensions are for reference only and subject to change if dimensional constraints are critical contact the factory CFG SH DWR 30 OP CFG PH4 DWR 30 OP CFG PD4 30 or 13 or 7 5 or CFG SD DWR 30D or 13D or 7 5D ...

Page 10: ...llow for complete dimensions Dimensions are for reference only and subject to change if dimensional constraints are critical contact the factory CFG PS4 30 or 13 or 7 5 or CFG SL DWR 30B or 13B or 7 5B CFG SJ DWR 30B or 13B or 7 5B CFG HJ DWR 30B or 13B or 7 5B CFG PS4 MOBIUS B or CFG SL MOBIUS B CFG HJ MOBIUS B CFG SJ MOBIUS B ...

Page 11: ...8 0 3 250 9 8 282 11 2 282 11 2 309 12 2 323 12 7 E mm in 18 0 7 947 37 3 982 38 6 982 38 6 1007 39 7 1019 40 1 EM mm in 19 0 75 948 37 3 983 38 7 983 38 7 1008 39 7 1020 40 1 F mm in 10 0 4 396 15 6 429 16 9 429 16 9 455 17 9 469 18 5 L mm in 10 0 4 338 13 3 371 14 6 371 14 6 396 15 6 412 16 2 M mm in 8 0 3 790 31 1 X X X X X X X X N mm in 10 0 4 278 10 9 312 12 3 312 12 3 338 13 3 348 13 7 PopTo...

Page 12: ...33 36 7 958 37 7 996 39 2 942 37 1 959 37 8 959 37 8 984 38 7 996 39 2 F mm in 10 0 4 368 14 5 381 15 0 381 15 0 406 16 0 445 17 5 394 15 5 406 16 0 406 16 0 432 17 0 445 17 5 H mm in 18 0 7 351 13 8 364 14 3 364 14 3 390 15 3 428 16 9 X X X X X X X X X X HB mm in 0 3 0 1 73 2 9 85 3 4 85 3 4 98 3 9 111 4 4 X X X X X X X X X X HC mm in 5 0 2 134 5 3 132 5 2 135 5 3 160 6 3 199 7 8 X X X X X X X X ...

Page 13: ...S4 CFG PD4 DWR xxB and DWR xxD VOLUME VOLUME VOLUME Dim UNIT TOL 1 2L 3L 5L 3L 7L 7 5L 13L 30L Q mm in 13 0 5 229 9 0 302 11 9 302 11 9 229 9 0 302 11 9 X X X X X X R mm in 10 0 4 X X X X X X X X X X 174 6 9 174 6 9 155 6 1 S mm in 7 6 0 3 X X X X X X X X X X 77 3 0 77 3 0 60 2 3 T mm in 5 0 2 X X X X X X X X X X 10 0 4 10 0 4 13 0 5 Y mm in 13 0 5 157 6 2 229 9 0 229 9 0 157 6 2 229 9 0 224 8 8 3...

Page 14: ...guration Guide 14 Note Cryostat Dewar drawings are NOT to scale see tables that follow for complete dimensions Dimensions are for reference only and subject to change if dimensional constraints are critical contact the factory CFG ICS or CFG ICS E ...

Page 15: ...5 088 101 114 126 139 152 164 177 190 202 215 or 228 Streamline GEM Detector Dimensions for ICS Integrated Cryocooling System Dimensions are for reference only and subject to change If dimensional constraints are critical contact the factory GEM Endcap Diameter and Window Note that there is an overlap of coaxial detector efficiency versus endcap diameter For example a 25 35 efficiency detector dep...

Page 16: ...m diameter endcap and SMART 1 preamplifier and high voltage supply CFG SD 76 Down looking cryostat with matching 76 mm diameter flange DWR 7 5D 7 5 liter down looking dewar GEM50 83 HJ 50 efficiency GEM detector with 83 mm diameter endcap and remote preamplifier and high voltage filter CFG HJ 83 J configuration cryostat with matching 83 mm diameter flange and remote fittings for the preamplifier a...

Page 17: ...0 3 0 3 0 3 0 3 1 3 1 3 1 3 1 70 70 70 70 76 83 70 76 83 70 76 83 76 83 76 83 83 83 83 95 83 95 95 95 95 95 95 95 108 108 108 108 GEM Detector Options Append model to detector model number Consult factory for low background ICS with external preamp Model No Description RB PopTop Only Reduced background PopTop capsule with Carbon Fiber endcap add RB to the model number HE PopTop Only Harsh Environm...

Page 18: ...er Multi Orientation Dewar CFG PS4 7 5 Side Looking Cryostat with 7 5 liter Dewar CFG PS4 13 Side Looking Cryostat with 13 liter Dewar CFG PS4 30 Side Looking Cryostat with 30 liter Dewar CFG PS4 MOBIUS B Side Looking Cryostat with Möbius Recycler 28 liter Dewar CFG PS4 MOBIUS B DET Side Looking Cryostat with Möbius Recycler 28 liter Dewar for purchase in combination with any PopTop detector CFG P...

Page 19: ... Extra Low Background Down Looking Cryostat CFG SH XLB Extra Low Background Horizontal Cryostat Dipstick type CFG SJ XLB Extra Low Background J type Cryostat CFG SL XLB Extra Low Background Side Looking Cryostat CFG SV XLB Extra Low Background Vertical Cryostat Dipstick type GEM ICS Cryostat May only be purchased with a detector Append matching Detector Endcap Size designation to Cooling Rod Lengt...

Page 20: ...0 7 liter Shallow Hole Probe Dewar DWR S F Storage Fill Dewar for DWR XG CFG HJ SJ SL DWR 7 5B 7 5 liter Side Looking Dewar DWR 13B 13 liter Side Looking Dewar DWR 30B 30 liter Side Looking Dewar MOBIUS B Möbius Recycler 28 liter Side Looking Dewar CFG SD DWR 7 5D 7 5 liter Down Looking Dewar DWR 13D 13 liter Down Looking Dewar DWR 30D 30 liter Down Looking Dewar CFG SV SH DWR 30 OP 30 liter Offse...

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