Optical Chopper
Model: RSC-4
The RSC-4 Optical Chopper is a general purpose optical chopper designed for laboratory use, its chopping range is from 70Hz to 2400Hz, which is for modulating this CW into synchronized chopping light in order to make coherent measurement and frequency-selecting amplifying, Except for modulation for this tested light, it can export reference square wave synchronized modulated frequency, which can be as reference signal for phase-locked-loop control system. It is widely used laser, optics and microwave testing system.
Model: C-995
The C-995 Optical Chopper is a general purpose optical chopper designed for laboratory use. Equipped with a large five-digit LED readout, the C-995 controller enables digital entry of the desired chopping rate directly from the front panel. Additionally the C-995 is equipped with a bi-directional Rs-232 port that equips the user to set the desired chopping rate to a resolution of .001 Hz and to read the status of the instrument. As the unit is designed with a phase-locked-loop control system, the chopping rate may also be synchronized to a user-supplied external clock ranging from 4 Hz to 5 KHz. The controller is then used to read the frequency of the external clock.
Lock-in Amplifier
The RSC-4 Optical Chopper is a general purpose optical chopper designed for laboratory use, its chopping range is from 70Hz to 2400Hz, which is for modulating this CW into synchronized chopping light in order to make coherent measurement and frequency-selecting amplifying, Except for modulation for this tested light, it can export reference square wave synchronized modulated frequency, which can be as reference signal for phase-locked-loop control system. It is widely used laser, optics and microwave testing system.