Design of a driver for the Cygnus X-ray source

Corcoran, P.; R., Altes,; Douglas, J.; Nishimoto, H.; Smith, I.; Stevens, R.; Weidenheimer, D.; Gustwiller, J.; Maenchen, J.E.; Carlson, R.; Cooperstein, G.; Droemer, D.; Hunt, E.; Johnson, D.L.; White, R.

doi:10.1109/ppps.2001.961408

Cited by 4 publications

(1 citation statement)

References 1 publication

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“…The Cygnus Dual Beam Radiographic Facility [1,2] consists of two identical radiographic sources at 2.25 MeV. Each rod-pinch x-ray source is aimed at a test object from a different angle.…”

Section: Introductionmentioning

confidence: 99%

Telecentric zoom lens designed for the cygnus x-ray source

Malone¹,

Baker²,

Brown³

et al. 2013

2013 Abstracts IEEE International Conference on Plasma Science (ICOPS)

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“…The Cygnus Dual Beam Radiographic Facility [1,2] consists of two identical radiographic sources at 2.25 MeV. Each rod-pinch x-ray source is aimed at a test object from a different angle.…”

Section: Introductionmentioning

confidence: 99%

Telecentric zoom lens designed for the cygnus x-ray source

Malone¹,

Baker²,

Brown³

et al. 2013

2013 Abstracts IEEE International Conference on Plasma Science (ICOPS)

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Telecentric zoom lens designed for the Cygnus x-ray source

Malone

Baker

Brown

et al. 2013

2013 19th IEEE Pulsed Power Conference (PPC)

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Cygnus is a high-energy radiographic x-ray source. Three large zoom lenses have been assembled to collect images from large scintillators. A large elliptical pellicle (394 × 280 mm) deflects the scintillator light out of the x-ray path into an eleven-element zoom lens coupled to a CCD camera. The zoom lens and CCD must be as close as possible to the scintillator to maximize light collection. A telecentric lens design minimizes image blur from a volume source.To maximize the resolution of objects of different sizes, the scintillator and zoom lens are translated along the x-ray axis, and the zoom lens magnification changes. Zoom magnification is also changed when different-sized recording cameras are used (50 or 62 mm square format). The LYSO scintillator measures 200 × 200 mm and is 5 mm thick. The scintillator produces blue light peaking at 435 nm, so special lens materials are required.By swapping out one doublet and allowing all other lenses to be repositioned, the zoom lens can also use a CsI(Tl) scintillator that produces green light centered at 540 nm. All lenses have an anti-reflective coating for both wavelength bands. Two sets of doublets, the stop, the scintillator, and the CCD camera move during zoom operations. One doublet has x-y compensation. Each zoom lens uses 60 lb of glass inside the 425 lb mechanical structure and can be used in either a vertical or horizontal orientation.

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Circuit Model of Magnetically-Insulated Induction Voltage Adders Based on the Transmission Line Code

Sun

Zeng

et al. 2014

IEEE Trans. Plasma Sci.

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Design of a driver for the Cygnus X-ray source

Cited by 4 publications

References 1 publication

Telecentric zoom lens designed for the cygnus x-ray source

Telecentric zoom lens designed for the cygnus x-ray source

Telecentric zoom lens designed for the Cygnus x-ray source

Circuit Model of Magnetically-Insulated Induction Voltage Adders Based on the Transmission Line Code

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