• 62-40 FOREST AVE, 2nd FLOOR, RIDGEWOOD, NY 11385 • TEL: (718) 456-6000 • FAX: (718) 456-6050 • www.EOPC.com
P.O. BOX 650441 FRESH MEADOWS, NY 11365
Tuning Fork Choppers, Modulators, Shutters/Choppers and Choppers/Shutters


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optical modulators / choppers / shutters
tuning fork (fixed frequency) choppers
variable frequency choppers
choppers / shutters
rotating wheel (variable frequency) choppers

optical chopping / modulating systems
optical chopping systems locked to ext. clock
optical chopping systems locked in master/slave mode

optical SAFETY shutters
laser safety (interlock) shutters
X-Ray (interlock) shutters

optical shutters, choppers and filters
optical shutters / choppers
optical choppers / shutters
filter selectors

optical scanners and deflectors
resonant (fixed frequency) scanners
beam deflectors

optical scanning / deflecting systems
- optical scanners locked to an external clock signal
- optical scanning systems to generate
a circle or an ellipse or to lock optical scanners
in phase or out of phase

- optical scanning systems to generate
a Raster Scan or Lissajous Patterns

- X,Y raster scanning systems
- 2-axis deflectors

drivers
ED Driver
AGC Driver
PLD-1C Driver
PLD-1S Driver
PLD-2C Driver
PLD-2S Driver
PLD-2SXY Driver
PLD-XYG Driver
DCH-40 Driver
DCH-50 Driver
DCH-60 Driver
DSH-10 Driver
DSH-20 Driver
DSH-35 Driver
DSH-65 Driver

other products
Filter selectors
Rotating Wheel Optical Choppers
photo diode amplifiers
o/e and e/o converters
fiber optic multiplexers
fiber optic video links
laser vibrometers
Photodiode Transimpedance Amplifier
Analog / digital fiber links
Optical time domain reflectometers
Optical spectrum detectors
Tuneable laser sources
Variable optical attenuators
Loss test sets
Fiber optic power meters
Light sources
Visual fault locators
Video probes
Fiber identifiers

Data Sheets

contact us

careers



FIXED FREQUENCY
Resonant Choppers

Model No.

Model No.
VARIABLE FREQUENCY
OPTICAL CHOPPERS

Model No.

VARIABLE FREQUENCY
OPTICAL SHUTTERS / CHOPPERS
Mechanical Modulators

Model No.

SELECTING BY THE FREQUENCY:

SELECTING THE RIGHT RESONANT CHOPPER (ONE FIXED FREQUENCY) FOR YOUR APPLICATION BY THE FREQUENCY (Hz):
The following should serve as guide lines only:
 5-100 
 200-1000 
 1000-6000 
 CH-10  
 CH-10  
 -  
  -  
 CH-20  
  CH-20  
  -  
 CH-25  
  -  
  CH-30  
 -  
  -  

SELECTING THE RIGHT CHOPPER (VARIABLE FREQUENCY) FOR YOUR APPLICATION BY THE FREQUENCY (Hz):
The following should serve as guide lines only:
 DC-12 
 10-30 
 30-50 
 50-5000 
 CH-40  
 CH-40  
  -  
  -  
 CH-50 
 -  
 -  
  -  
 CH-60 
 CH-60  
 CH-60  
  -  
 CH-61 
 CH-61  
 CH-61  
  -  
 CH-35 
 CH-35  
 CH-35  
  -  
 CH-65 
 CH-65  
 CH-65  
  -  
 C995  
 C995  
 C995  
 C995  



SELECTING BY THE APERTURE:

SELECTING THE RIGHT RESONANT CHOPPER (ONE FIXED FREQUENCY) FOR YOUR APPLICATION BY THE APERTURE (mm / inch):
The following should serve as guide lines only:
 0.6-2.5 (0.03-0.1) 
 2.5-10.2 (0.1-0.4) 
 CH-10  
 CH-10  
 CH-20  
  -  
 CH-25  
  -  

SELECTING THE RIGHT CHOPPER (VARIABLE FREQUENCY) FOR YOUR APPLICATION BY THE APERTURE (mm / inch):
The following should serve as guide lines only:
 6.3-11.4 (0.25-0.45)  
 15.0 (0.6) 
 CH-40  
 CH-40  
 CH-50 
 -  
 CH-60 
 -  
 CH-61 
  -  
 CH-35 
  -  
 CH-65 
  -  
 -  
 C995  




SELECTING THE RIGHT CHOPPER FOR YOUR APPLICATION BY THE ENVIRONMENT:
The following should serve as guide lines only:
  VACUUM  
 high temperature  
  cryogenic  
  MEETS MILITARY SPECIFICATIONS  
  CH-10  
  CH-10  
  CH-10  
  CH-10  
  CH-20  
  CH-20  
  CH-20  
  CH-20  
  CH-30  
  CH-30  
  CH-30  
  CH-30  






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