hsfc pro

Having a single optical input, this camera system comprises a image splitter unit, four intensified CCD camera modules with fast switchable MCP image intensifiers and high resolution CCD image sensors. Each module with its 12 bit dynamic range and a high resolution CCD image sensor features an excellent signal-to-noise-ratio and the ability of single photon detection. Four high speed serial fiber optic data links connect the system to the PC. It can be triggered externally by light or electrical input.

MCP diameter depends on photocathode material. The new GaAs- and GaAsP-MCPs are only available with a diameter of 18 mm while all others have 25 mm!

Areas of Application

hypervelocity impact studies
ultrasonic flame propagation
laser ablation
sparks in electrical switches
short time physics

	unit	setpoint	hsfc pro unit

resolution (hor x ver)	pixel		1280 x 1024
pixel size (hor x ver)	µm²		6.7 x 6.7
peak quantum efficiency	%		depends on photocathode material
dynamic range A/D	bit		12
readout noise	e- rms	@ 12.5 MHz	7 .. 8
imaging frequency, frame rate	fps	@ full frame	8
exposure time	s		3 ns .. 1000 s
binning horizontal	pixel		1, 2, 4, 8
binning vertical	pixel		1, 2, 4, 8, 16, 32
optical input			Nikon f-mount, others on request
data interface			PCI local bus, Rev. 2.1
cooled CCD temperature	°C		-12
interframing time	ns		500
photocathode material			S20, S25, GaAs, GaAsP, others on request
phosphor screen material			P43, P46

Spectral sensitivities of MCP photocathode materials: S25 (extended red multialkali - purple), S20 (multialkali - green), GaAs (red), GaAsP (blue) ...with friendly permission of Hamamatsu Photonics, Herrsching, Germany

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Short time physics

The image sequence shows the impact of space debris on the shield of the automated transfer vehicle (ATV), which is an unmanned supply carrier for the international space station (ISS). The shield set-up was used at the Ernst-Mach-Institute together with its unique light gas guns, to investigate the fragment cloud dynamics and the damage caused by such space debris impact on the ATV, helping to optimize the shields. An overview of the sequence can be seen below.
...with friendly permission of:
Fraunhofer-Institut für Kurzzeitdynamik – Ernst-Mach-Institut, Freiburg, Germany,

www.emi.fhg.de

Electromagnetic Forming

Contactless high speed metal forming by means of a pulsed electromagnectic field. The forming process takes place in typical less than 70 ?s, the camera exposure times were varied within one sequence between 500 ns and 2 ?s to accommodate for changes in forming speed and light intensity due to metal reflections. The influence of the key process parameters magnetical field strength and mechanical setup on forming dynamics was studied.
...with friendly permission of:
Institute of Forming Technology and Lightweight Construction, Technical University of Dortmund,

www.iul.uni-dortmund.de

Exploding titanium wire

High speed imaging of an exploding Titanium wire. The purpose
was the estimation of the temporal evolution of the plasma.
...with friendly permission of:
ISL French-German Research Institute of Saint-Louis, France,

www.isltm.fr

Optical set-up of hsfc pro

View into the optical input of the hsfc pro optical system. The visible picture is located at the place of the 4 camera units.

This image shows the optical system with the beamsplitters of the hsfc pro together with the 4 partial drawings, which gave the image above.

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