Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Thorlabs
The Thorlabs EO-AM-R-20-C1 is an electro-optic resonant amplitude modulator designed for a 20 MHz frequency and an operating wavelength range of 600 to 900 nm. Released on January 27, 2012, this unit has a package weight of 1.65 lbs. Lifecycle status for this part should be verified against current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a formal quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Thorlabs EO-AM-R-20-C1. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.