• 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

Wide Angle Optical Scanners
SC-21  SC-25
FEATURES AND ADVANTAGES
  • ONE FIXED FREQUENCY from the range of 5 Hz to 1.5 kHz
  • Mirror size 30×30mm
  • Scan angle to 70° peak to peak optical
  • Small size/lightweight
  • Low power drive electronics
  • Rugged, no wearing parts
  • Maintenance free
  • High reliability
  • Withstands shock and vibration
  • High frequency stability (to 0.005%)
  • High/low temperature operation1
  • Vacuum operation (to 10-10 Torr)1
  • Jitter free operation
  • No radiated electromagnetic interference
  • Reference signal available
  • Glass mirrors are standard, metal mirrors, prisms or lenses optional1
1 Available on special order




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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

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The SC-21 and SC-25 type scanners are ideal for applications involving large optical beams, simultaneous imaging of multiple beams, or similar large amplitude applications. The scanners operate at one fixed frequency. Glass mirrors are standard, and metal mirrors, gratings, and lens (UV-IR-VIS) are available on special order.

The scanners require only minimal power. Since they are components that have no wearing parts, they provide excellent repeatability and long life. The scanners are used in varying applications including:

  • Laser scanners and non-impact printers
  • Barcode readers
  • Raster scanners
  • CAD/CAM systems
  • Inspection systems and non-destructive testing instruments
  • Intelligent transportation systmes
  • Biological and medical research
  • Material research
  • Machine vision and robotics
  • Operation at resonant frequency is sustained by a feedback amplifier type ED driver or the AGC driver, using the scanner as a frequency source. The AGC driver also provides a higher amplitude stability (0.01%) and a position output signal. The PLD-1S driver will phase lock the scanner to an external clock signal. The PLD-2S driver will phase lock two scanners as a "master/slave" scanning system and the PLD-2SXY driver will phase lock two scanners as an "X-Y" scanning system.

    SC-21 RESONANT OPTICAL SCANNER:
    ONE FIXED FREQUENCY from the range of 15Hz to 2000Hz
    The following should serve as guidelines only:
     FREQ. 
     (Hz) 
     SCAN ANGLE 
     (P-P DEG OPT) 
     MIRROR SIZE 
     (mm) 
     15-199 
     70° 
     30×30 
     200-299 
     70° 
     20×20 
     300-399 
     60° 
     10×10 
     300-399 
     40° 
     15×15 
     400-999 
     40° 
     10×10 
     400-999 
     30° 
     12×12 
     1000-1499 
     30° 
     10×10 
     1500-2000 
     24° 
     8×8 

    SC-25 RESONANT OPTICAL SCANNER:
    ONE FIXED FREQUENCY from the range of 100Hz to 2000Hz
    The following should serve as guidelines only:
     FREQ. 
     (Hz) 
     SCAN ANGLE 
     (P-P DEG OPT) 
     MIRROR SIZE 
     (mm) 
     15-199 
     60° 
     30×30 
     200-299 
     60° 
     20×20 
     300-399 
     50° 
     10×10 
     300-399 
     40° 
     12×12 
     400-999 
     40° 
     8×8 
     400-999 
     30° 
     10×10 
     1000-1499 
     30° 
     8×8 
     1500-2000 
     24° 
     6×6 

    ORDERING INFORMATION:

    TYPE [SC-21, SC-25]; MIRROR SIZE [mm]; ANGLE [P-P Deg. optical]; FREQUENCY [Hz]
    Example: PART NO. SC21-30x30-70-200. This part number specifies the model SC-21 scanner, a 30mm square mirror, a 70° peak to peak optical scan angle and a 200 Hz operating frequency.

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