| Beamline Website |
http://www.macchess.cornell.edu/MacCHESS-2006/f1_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 |
24-pole permanent magnet wiggler |
| Ring Current(mA) |
200 |
| Average Beam Lifetime |
4-6 h |
| Spot Size |
Set by collimator (0.2 mm (vertical), 2.00 mm (horizontal)) |
| Optics |
Horizontal bent Si(111), asymmetrically cut with water cooled Cu Block.
Rh-coated Si mirror for vertical focusing.
|
| Flux |
3.0x1011 thru 300m collimator. |
| Flux Details |
? |
| Wavelength Min (Å) |
0.918 |
| Wavelength Max (Å) |
0.918 |
| 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 45 mm to 900 mm. |
| Detector |
ADSC Q-270 CCD detector, dimensions are 4168 x 4168 (2084 x 2084 in binned mode);
ADSC Quantum-4 CCD detector (four 1152x1152-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 |
BL-2 biohazard containment facility. |
| 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 |
Uers 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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