Neutron guide systems at reactor-based neutron sources
CG2B neutron guide system - ANSTO (2017)
The Australian Nuclear Science and Technology Organization (ANSTO) extended the neutron guide CG2B into the neutron guide hall in order to deliver neutrons to the time-of-flight reflectometer SPATZ and eventually to two additional instruments, which will be defined at later stage. The preceding neutron guide was already delivered and installed by Neutron Technologies in 2012. Neutron Technologies was awarded the contract for the guide extension based on the same technical concept comprising neutron guides made from Borkron glass and vacuum casings.
Scope of delivery out of pile: neutron guides with vacuumcasing and mechanical supports CG2b

Type: curved neutron guides with vacuum casings
Path/profile: curved vertical / parallel straight / parallel
Cross-sections: 30 mm x 160 mm / 30 mm x 50 mm
Length: ≈ 31.5 m
Coatings: Ni/Ti, m=1 / 2 / 2.5 / 3
Substrates: S-BSL7 (Borkron)
CG2a/b neutron guide system - BRAGG @ ANSTO (2012)
The scope of the project was to add two more guides to the cold neutron guide system in order to provide neutrons to several new instruments in the neutron guide hall. For this purpose, the complete in-pile assembly was replaced including guides, plugs, cassettes, etc. The new CG2 guide branches into two sub-beams CG2A and CG2B. Neutron Technologies engineered, designed, fabricated, tested and installed all the equipment.

Scope of delivery inpile: neutron guides and massive steel enclosure CG1 / CG2a / CG2b / CG3
Scope of delivery out of pile: neutron guides with vacuum casing and mechanical supports CG2a / CG2b
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Type: in-pile and out-of-pile guide system (incl. split guides)with mechanical equipment

Path/profile:
CG1: straight / parallel
CG2a: curved vertical / parallel
CG2b: curved vertical / parallel
CG3: straight / parallel
Cross-sections:
CG1: 50 mm x 200 mm
CG2a: 40 mm x 100 mm
CG2b: 50 mm x 160 mm
CG3: 50 mm x 200 mm
Length:
CG1: ≈ 3.5 m
CG2a: ≈ 28 m
CG2b: ≈ 23 m
CG3 ≈ 3.5 m
Coatings: Ni/Ti, m=2 / 2.5 / 3
Substrates: Floatglass / N-BK7 (Borkron)

Neutron guide system - NL1-3 @ HZB (2010)
In 2009 Neutron Technologies was awarded the contract the major part of neutron guides for the refurbishment of the HZB NL1-3 guide system comprising in-pile, primary shutter and out-of-pile neutron guides. After an extensive design phase, in which Neutron Technologies took the leadership for management of interfaces, conceptual and final designs, guides were manufactured from float glass, Borkron glass and Borofloat glass dependent on the distance from the moderator. The guides designated for beam transport were mainly coated with m=3 supermirror, but focusing section with elliptic, truly curved profile utilize supermirror up to m=5. Finally all guides were installed. In particular for the initial sections (in-pile, etc.) a close collaboration between HZB and Neutron Technologies allowed to manage all the delicate requirements for these sections.

Scope of delivery inpile: neutron guides NL1a / NL1b / NL2new / NL2old / NL3
Scope of delivery out of pile: neutron guides (vacuum sealed) and neutron guides with vacuumcasing NL1a / NL1b / NL2new / NL2old
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Type: in-pile and out-of-pile guide systemwith mechanical equipment

Path/profile:
NL1a: straight + curved / parallel
NL1b: straight + curved / parallel
NL2new: straight + curved / parallel
NL2old: straight + curved / parallel
NL3: straight / parallel
Cross-sections:
NL1a: 30 mm x 125 mm
NL1b: 60 mm x 125 mm
NL2new: 60 mm x 125 mm
NL2old: 60 mm x 125 mm
NL3: 60 mm x 125 mm
Length: ≈ 62 m
Coatings: Ni/Ti, m=1.5 / 3
Substrates: Floatglass / Borofloat / N-BK7 (Borkron)
Neutron guide system - HANARO @ KAERI (2008)
Scope of delivery inpile: neutron guides and massive steel enclosure CG1 / CG2 / CG3 / CG4 /CG5

Scope of delivery out of pile: neutron guides (vacuum sealed) and mechanical support (CG1 / CG2a / CG2b / CG3 / CG4 / CG5)

Type: in-pile and out-of-pile guide systemwith mechanical equipment
Path/profile:
CG1:
CG2:
CG3:
CG4:
CG5:

straight + curved / parallel
straight + curved / parallel
straight + curved / parallel
straight + curved / parallel
straight + curved / parallel
Cross-sections: CG1:
CG2:

CG3:
CG4:

CG5:

20 mm x 150 mm -> CG2a 50 mm x 50 mm
50 mm x 150 mm -> CG2b 50 mm x 95 mm

30 mm x 150 mm -> CG4a 50 mm x 50 mm
50 mm x 150 mm -> CG4b 50 mm x 95 mm

50 mm x 150 mm
Length: ≈ 21.5 m (total length)
Coating: Ni/Ti, m=2
Substrates: Floatglass / Borofloat
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