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The CNTC stocks a wide variety of supplies. Users may freely avail themselves of basic supplies in limited quantities. More expensive supplies may be “borrowed,” but must ultimately be paid for.

Optical elements

We keep a stock of basic Thorlabs lenses, neutral density filters, and mirrors.


We keep a large collection of Thorlabs rods, tubes, and cage mounts.


We stock all common resistors, many capacitors, op-amps, FETs, LEDs, and other common parts in through-hole style. We also stock a variety of common connector types.