| Beamline Website |
http://www.macchess.cornell.edu/MacCHESS-2006/a1_summary.html |
| Owner/Operator |
CHESS/MacCHESS |
| Operational (general use) |
yes |
| %Time available (general use) |
100% |
| Beamline Schedule |
http://www.macchess.cornell.edu/ |
| Experiments |
Monochromatic |
| Source |
49 pole wiggler |
| Ring Current(mA) |
250 |
| Average Beam Lifetime |
4 - 6 hrs |
| Spot Size |
Set by collimator (FWHM ~0.20 mm (vertical), ~1.00 mm (horizontal)) |
| Optics |
Bent triangular asymmetric cut Si(111) monochromater provides horizontal focusing.
Rh-coated Si mirror for vertical focusing.
|
| Flux |
5.0x1013 total flux, 7.5x1011 thru 200m collimator |
| Flux Details |
? |
| Wavelength Min (Å) |
0.987 |
| Wavelength Max (Å) |
0.987 |
| Monochromator |
? |
| Crystal type |
? |
| Mirrors |
? |
| Mirror Cutoff |
? |
| Special Capabilities |
? |
| Other Instrumentation |
? |
| Goniometer |
Single-axis ABTech air bearing with phi horizontal rotation axis. |
| Pin Length |
Total length of mounting pin is between 10 mm and 24 mm (measured from the base of the cap to beam position).
|
| Restrictions |
? |
| xtal-detector Distance |
Currently crystal-to-detector distance can run from 99 mm to 445 mm. |
| Detector |
ADSC Quantum - 210 CCD (four 2048x2048-pixel modules). |
| Detector Details |
? |
| 2theta range |
? |
| Cryo Capability |
Oxford Cryosystems. The temperature is usually set to 100 K, but can be varied from 80 K to 400 K.
|
| Lab Facilities |
Cold room, small wet chemistry lab on-site.
Biochemical lab with all equipment necessary for structural studies in Biotechnology Building (a 10-minute walk away).
|
| Biohazard |
The BL-2 facility at F-1 is available. Contact the staff. |
| Software |
ADX package from ADSC for CCD and overall control; rspec and spec for other hardware control;
http://www.macchess.cornell.edu/MacCHESS-2006/crystallography_software.html
|
| Hardware |
Linux computers for data collection, data processing, automatic crystal centering, backup and for station. hardware control.
|
| Backup Devices |
Users are welcome to bring their own laptop or other computers to CHESS for data processing and backup. IP addresses can be set up easily with DHCP, and static addresses are also available.
MacCHESS supports IEEE 1394 (FireWire) and USB 2.0 connections on Mac and Linux. The Macs support FireWire 800 (IEEE 1394b).
Several DVD drives available.
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