Lasertron

Lasertron made plugins that were compatible with the TM500 system.

From this list:

• Q???? LASER TEST MODULE
• Lasertron QLC "Master Control"
• Lasertron QLX LASER TRANSMITTER
• Lasertron QLX-1300 LASER TRANSMITTER
• Lasertron QRX-700 LIGHTWAVE RECEIVER
• Lasertron QRX-7000 LIGHTWAVE RECEIVER
• Lasertron QLX-1000 LIGHTWAVE TRANSMITTER (COMES IN MANY DIFFERENT WAVELENGTH VARIATIONS)
• Lasertron Q???? LOCK-IN AMPLIFIERTRON LIGHTWAVE TRANSMITTER (COMES IN MANY DIFFERENT WAVELENGTH VARIATIONS)