TJ-II:Fast camera: Difference between revisions
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[[TJ-II]] disposes of | [[TJ-II]] disposes of different fast camera systems for plasma imaging | ||
<ref>[http://dx.doi.org/10.1088/0741-3335/48/12B/S44 J.A. Alonso et al, ''Impact of different confinement regimes on the two-dimensional structure of edge turbulence'', Plasma Phys. Control. Fusion '''48''' (2006) B465-B473]</ref> | <ref>[http://dx.doi.org/10.1088/0741-3335/48/12B/S44 J.A. Alonso et al, ''Impact of different confinement regimes on the two-dimensional structure of edge turbulence'', Plasma Phys. Control. Fusion '''48''' (2006) B465-B473]</ref> | ||
<ref>[http://dx.doi.org/10.1016/j.jnucmat.2009.01.140 D. Carralero et al, ''Turbulence studies by fast camera imaging experiments in the TJII stellarator'', Journal of Nuclear Materials '''390-391''' (2009) 457-460]</ref> | <ref>[http://dx.doi.org/10.1016/j.jnucmat.2009.01.140 D. Carralero et al, ''Turbulence studies by fast camera imaging experiments in the TJII stellarator'', Journal of Nuclear Materials '''390-391''' (2009) 457-460]</ref> | ||
<ref>E. de la Cal et al, ''Visible intensified cameras for plasma imaging in the TJ-II stellarator'', Rev. Sci. Instrum. (2009)</ref> | <ref>E. de la Cal et al, ''Visible intensified cameras for plasma imaging in the TJ-II stellarator'', Rev. Sci. Instrum. (2009)</ref>. | ||
The | The main system is located in [[TJ-II:Sectors|sector]] B8, [[TJ-II:Ports|port]] B8TANG, viewing tangentially the [[TJ-II:Limiter|poloidal limiter]] in sector C3. | ||
== Camera == | == Camera == | ||
The camera employed at TJ-II is a [http://www.photron.com/ Photron] SA1 camera. | The newest fast camera employed at TJ-II is a [http://www.photron.com/ Photron] SA1 camera. | ||
Sampling speed (measured in frames per second, fps) and image size can be selected, but there is a trade-off: | Sampling speed (measured in frames per second, fps) and image size can be selected, but there is a trade-off: | ||
* | * 5000 fps with 1024 x 1024 pixels(full frame) | ||
* 10000 fps with 512 x 512 pixels | * 10000 fps with 512 x 512 pixels | ||
* 200000 fps (maximum ever employed so far) with 182x80 pixels | * 200000 fps (maximum ever employed so far) with 182x80 pixels | ||
The dynamic range of the sensor is 8 bits, and the memory size is 8 GB. | The dynamic range of the sensor is 8 bits, and the memory size is 8 GB. | ||