Experiment related links

Lab system
National instrument (GPIB, DAQ, LabView, LabWindow/CVI)  http://www.ni.com/
Vacuum System  http://www.lesker.com/kfiles/k_vacuum_systems.html
Photonics directory  http://www.laurin.com/Directory/lphtml/index.htm

PC Port
PC/Mac Parallel/Game/Serial Port http://www.repairfaq.org/filipg/

Step motor
Bayside Motion Co. http://www.motionex.com/manbayside.htm
Pacific Scientific Co http://www.pacsci.com/