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Cornell University
LASSP -  Laboratory of Atomic and Solid State Physics

Cornell Laboratory for Atomic and Solid State Physics


LASSP Professional Machine Shop
Location: Clark Basement E-21
Hours: Monday through Friday, 8 am – 12 pm & 1 pm – 3:30 pm
Contact: Robert Page ( or 255-3524)

This full-service machining and fabricating facility serves all departments at Cornell and is staffed by experienced professional machinists. Shop personnel advise on design as well as executing the needed machining, brazing, welding, and other peripheral operations for fabricating experimental apparatus. read more

If you have a project in mind, please contact Robert Page to discuss.

LASSP Student Machine Shop
Location: Clark Basement D-26
Hours: Monday through Friday, 8 am – 5 pm
Contact: Nathan Ellis ( or 255-3951)

This well-equipped machine shop is maintained for the use of graduate students and other academic members of labs in the Physical Sciences Complex in their research efforts. A twenty-five hour course in machine shop techniques is taught by Mr. Ellis and is a prerequisite to use of the shop equipment. Contact Mr. Ellis for information on course fees and availability.

Nathan Ellis, Student Machine Shop Manager, is normally available in the facility Monday – Thursday from 8 am until 4 pm. Any user who wants to use the facility during the new extended hours when Nathan is not available will need:

  • to access the Student Machine Shop through the main entry door by using their ID card (see below for how to get card access reinstated)
  • to bring a buddy who will remain for the entire time; and
  • to adhere to all posted cleaning protocols. 

Card access to the Student Machine Shop will need to be explicitly reinstated. To request key card access to Student Machine Shop, please contact Nathan Ellis ( directly.

Additional Operating Procedures:

  • After-hours access is not currently available.
  • Please bring your own protective/safety eyewear.
  • There is a five person maximum occupancy for the facility, to accommodate necessary social distancing. Users may be temporarily denied entry based on this new limit.
  • Masks are required for every person in the shared space.

LASSP Stockroom
Location: Physical Sciences Building G20
Hours: Monday through Friday, 9 am – 12 pm & 1 pm – 4 pm
Contact: Rob Sprankle ( or 255-3966)

This facility is an open scientific stockroom – anyone on campus is welcome to use it. The Stockroom has a large inventory of electronic, vacuum and related items available, to facilitate the ongoing research across campus. This area also is responsible for the processing of purchase orders initiated in LASSP.

Revised Operating Procedures:

  • Revised hours accommodate new sanitization procedures and set lunch break. 
  • No admittance without the attendant on duty, or outside of these times. 
  • After-hours access is not available. The card reader is disabled.
  • If the attendant has to leave for a short break or similar reason, the door will be shut and locked. We apologize and will try to return quickly.
  • Access to the stockroom products is now handled through the attendant to minimize exposure to potential touch surfaces.
  • Please be mindful of distancing guidelines, occupancy limits, and quantity restrictions on certain products. Check posted signs for current information.
  • Masks are required in this shared space. The attendant will put one on as well after acknowledging you, and before any transaction can begin.
  • In addition to regular stockroom items, the LASSP Stockroom is able to provide your lab with these renewal/replacement disinfecting and PPE supplies: ear loop masks, disinfectant spray, paper towel rolls, and hand sanitizer. 
    • There will be quantity restrictions in place for these items. 
    • The cost for these items for LASSP labs is being covered by LASSP. 
    • For all labs outside of LASSP, we will provide PPE items at cost (without the standard markup for stockroom items) – you will need to provide a valid account number, and you will be billed at the end of the month.

LASSP Low Temperature and Helium Distribution Facility
Location: Clark Basement H-12
Contact: Dr. Eric Smith ( or 255-0675)

This facility supplies liquid helium and liquid nitrogen to Cornell science and engineering groups. Dr. Smith instructs members of research groups in techniques of handling and transferring cryogenics.