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P.O. BOX 650441 FRESH MEADOWS, NY 11365
Optical Scanners and Beam Deflectors


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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

Data Sheets

contact us

careers







What is a resonant scanner?
A resonant scanner is a fixed frequency oscillating mirror with an adjustable scan angle.
The device high "Q" (very low damping) provides perfect sinusoidal oscillations at the resonant frequency and very low electrical drive power.
The long life scanner is jitter free and maintenance free.
Position output is available with the AGC type driver.
Velocity output is available with the AGC type driver.

 
Where are resonant scanners used?
Resonant scanners are used in the range from X-Ray across to Far-IR, in the lab and in the manufacturing industry and also in high vacuum and cryogenic environment. The scanners are used in industrial, scientific, medical, aerospace and military applications worldwide.
What are resonant scanners especially suitable for?
Resonant scanners are especially suitable for:
- Applications which require good imaging with minimal distortion.
- Dedicated application, high volume, OEM instruments and systems.
- Long operation life.
- Jitter free and maintenance free operation.
- Small instruments that require a miniature scanner structure for hand held and portable instruments.
- Use in vacuum or cryogenic environment and/or from X-Ray across to Far-IR.
- X,Y scanning systems.
- To meet military specifications.
- For aerospace use.

Models of resonant scanners and scanning systems do we manufacture?
We manufacture small size and miniature scanners, wide angle scanners and high frequency scanners as well as scanning systems for one scanner, two scanners and a scanner with a galvanometer. We welcome challenges that OEM customers bring

OPTICAL SCANNERS and DEFLECTORS
We manufacture resonant scanners in various sizes and frequencies to fit your specific application.


Model SC-2 low cost mini sub-miniature optical scanner
Mirror size: 6mm dia., 7x6mm & 10x6mm
Scan angle: to 50 P-P degrees optical
Frequency: one FIXED frequency from the range of 125Hz to 800Hz.

Model SC-3 low cost sub-miniature optical scanner
We offer four models:
SC-3
SC-3-SH (for short scanners)
SC-3-A (for higher frequency)
SC-3-HF (for high frequency, small mirror and small scan angle)
Mirror size: 5mm dia.,7mm dia., 8x7mm & 12x7mm
Scan angle: to 50 P-P degrees optical
Frequency: one FIXED frequency from the range of 110Hz to 1860Hz.

Model SC-5 low cost sub-miniature Optical scanner
We offer two models:
SC-5
SC-5-HF (for high frequency)
Mirror size: 6mm dia, 6x6mm, 7x7mm & 10x10mm
Scan angle: to 50 P-P degrees optical
Frequency: one FIXED frequency from the range of 100Hz to 2200Hz.

Model SC-10 low cost miniature optical scanner with large scan angle
We offer two models:
SC-10
SC-10-HF (for high frequency)
Mirror size: 6mm dia, 7x7mm, 8x8mm, 10x10mm & 20x20mm
Scan angle: to 60 P-P degrees optical
Frequency: one FIXED frequency from the range of 100Hz to 3000Hz.

Model SC-20 low cost small optical scanner with large mirror and low frequency
Mirror size: 7x7mm, 8x8mm, 10x10mm,20x20mm & 25x25mm
Scan angle: to 60 P-P degrees optical
Frequency: one FIXED frequency from the range of 10Hz to 1500Hz.

Model SC-21 low cost large optical scanner with wide scan angle and large mirror
Mirror size: 8x8mm, 10x10mm,12x12mm, 15x15mm, 20x20mm & 30x30mm
Scan angle: to 70 P-P degrees optical
Frequency: one FIXED frequency from the range of 15Hz to 2000Hz.

Model SC-25 low cost large optical scanner with wide scan angle and large mirror
Mirror size: 6x6mm, 8x8mm, 10x10mm, 12x12mm, 20x20mm & 30x30mm
Scan angle: to 60 P-P degrees optical
Frequency: one FIXED frequency from the range of 15Hz to 2000Hz.

Model SC-30 low cost high frequency optical scanner
Mirror size: 3x4mm, 4x5mm, 5x6mm, 7x8mm, 8x9mm, 10x10mm & 25x25mm
Scan angle: to 30 P-P degrees optical
Frequency: one FIXED frequency from the range of 200Hz to 16KHz.

A resonant scanner (oscillating mirror) can be used to actively Q-switch lasers.
A high reflectivity mirror on our resonant scanner can be used as the end mirror in a laser interacavity.
Our miniature scanner can fit easily into a small cavity.
Our miniature scanner can hold a much larger mirror than a MEMS device.
Our resonant scanners are simple to use.
Our resonant scanners are long life.
Our resonant scanners can be designed to meet MILITARY SPECIFICATIONS.
Our resonant scanners are much less expensive than acousto-optic or electro-optic Q-switch devices.

OPTICAL SCANNING and DEFLECTING SYSTEMS

Model SC-SYS-1S
The PLD-1S driver phase locks any resonant scanner (type SC, except for the subminiature scanners) to an external clock signal, to provide a stable scanning frequency[sub]system. The system can be used as a "stand alone" unit, in the laboratory, or can be incorporated into a larger instrument/system. The scanner is ONE FIXED FREQUENCY, picked from the range of 5 Hz to 16 kHz.
You need to specify the exact clock frequency (to 4 decimal places).
This system is not recommended for use in temperature sensitive applications.
See:
http://eopc.com/sys_pld1s_extern.html
http://eopc.com/driver_pld1s_cad.html
http://www.eopc.com/driver_pld1s.html
http://www.eopc.com/sys_pld1s_extern.html
http://eopc.com/PLD-1S%20DRIVER%20data%20sheet.pdf

Model SC-SYS-2S
The SC-SYS-2S scanning system consists of two identical resonant optical scanners (type SC), scanner "A" and scanner "B", in a locked in phase MASTER/SLAVE mode, to generate a circle or an ellipse or lock both scanners in phase or at 0 degrees or at 180 degrees.
The system can be used as a "stand alone" unit, in the laboratory or as a portable instrument, or incorporated into a larger instrument/system. The two identical scanners are ONE FIXED FREQUENCY each, picked from the range of 10 Hz to 16 kHz. They are small size, light weight, low cost and long life devices. They require low power drive electronics and do not radiate any electromagnetic interference (EMI). The scanners have high amplitude stability and very low amplitude jitters; wobble is less than 1 arc sec. The scanners are IR, VIS, UV and high vacuum capable. Reference signal and position output available.
See:
http://www.eopc.com/sys_pld2s_master.html
http://eopc.com/driver_pld2s_cad.html
http://eopc.com/driver_pld2s.html
http://eopc.com/PLD-2S%20DRIVER%20data%20sheet.pdf

Model SC-SYS-2SXY
The SC-SYS-2SXY scanning system consists of two resonant optical scanners (type SC), of different frequencies (type SC, except for the subminiature scanners) locked in a MASTER/SLAVE mode to generate a repetitive pattern, e.g.: a raster scan or a Lissajous pattern.
Scanner "X" is high frequency and scanner "Y" is low frequency. The two scanners are ONE FIXED FREQUENCY each, picked from the range of 5 Hz to 16 kHz. They are small size, light weight, low cost and long life devices. They require low power drive electronics and do not radiate any electromagnetic interference (EMI). The scanners have high amplitude stability and very low amplitude jitters; wobble is less than 1 arc sec.
The system can be used as a "stand alone" unit, in the laboratory or as a portable instrument, or incorporated into a larger instrument/system. The scanners are IR, VIS, UV and high vacuum capable. Reference signal and position output available.
X,Y scanning systems provide inexpensive high performance for applications involving beam deflection: TV, HDTV, for 2D and 3D scanned objects, for color separation, to generate images stored in computer memory and project them onto a screen, to generate data and/or transfer data directly to production units (CAD/CAM) and for inspection systems to name a few. The scanning systems are used for robotics, medical non-invasive research and testing, transportation, non-impact printing and laser scanning, inspection systems and high speed, high resolution display system and machine vision.
See:
http://www.eopc.com//sys_pld2sxy_raster.html
http://www.eopc.com/driver_pld2sxy.html
http://eopc.com/PLD-2S%20DRIVER%20data%20sheet.pdf

Model SC-SYS-XYG
The SC-SYS-XYG scanning system locks a resonant optical scanner (type SC), Locks a Resonant Scanner with a galvanometer to generate an X,Y Raster scan. The PLD-XYG driver locks a resonant scanner (fixed high frequency, "X") with a galvanometer (linear scanner, "Y") to generate a raster scan (X and Y, like a TV screen).
You can use any of the resonant scanners we manufacture for the "X" direction, however Model SC-30 high frequency resonant scanner, at 8 KHz and 16 KHz, is chosen most often. The high speed resonant scanner model SC-30 has a continuous sine wave motion. The resonant frequency of the scanner is determined by the number of lines required for each frame multiplied by the required frame rate.
The frequency of the galvo scanner (the frame rate for the Y axis) is generated from the resonant scanner. It is a ramp type of wave form (constant speed) with a fast flyback.
The basic raster scanning system we offer consists of the following:
-a resonant scanner
-a galvanometer
-a mount for both scanners
-the PLD-XYG driver box with power supply
-additional features are optional.


he PLD-XYG driver is fully integrated with front panel scan angle controls (remote controls are optional). The driver operates the resonant scanner (X axis, high frequency) in a self-oscillating mode, at the resonant frequency of the scanner, and is also generating the Y signal to drive the galvo scanner (Y axis, low frequency).
The PLD-XYG driver has analog position output for the X and Y scanners and remote scan angles (amplitude) control are optional.
No external function generator is needed to operate the XYG system.
For OEM manufacturing we may consider providing free information to build the driver so that you can incorporate it within your drive electronics or build it to a desired size.

To build the XYG scanning system we need to know:
-Number of lines per frame
-For the (X) resonant scanner:
Scan angle [degree, PTP optical]
Beam size, desired mirror size [mm]
wavelength and power of the laser (source)
Frequency [Hz] fixed frequency
Mirror for resonant scanner:
Enhanced aluminum protective coated mirror is our standard mirror
Gold coated (protected) and silver coated (protected) mirrors, beryllium/metal mirrors, are optional or customer supplied.
-For (Y) galvo scanner:
The frame rate (the ratio of the frequency of scanner X to the frequency of scanner Y).
Mirror for galvo:
Silver mirror is standard.
-For the laser (source):
BEAM SIZE [mm]; BEAM POWER; WAVELENGTH[nm]

See:
http://eopc.com/sys_pldxyg_raster.html
http://eopc.com/driver_pldxyg_cad.html
http://eopc.com/SC-SYS-XYG%20SCANNING%20SYSTEM%20data%20sheet.pdf
http://eopc.com/PLD-XYG%20DRIVER%20data%20sheet.pdf



SELECTING THE RIGHT SCANNER FOR YOUR APPLICATION BY THE FREQUENCY (Hz):
The following should serve as guide lines only:


 

 10-100 
 100-200 
 200-800 
 800-1000 
 1000-1500 
 1500-2000 
 2000-2200 
 2200-16000 
  -  
 SC-2  
 SC-2  
  -  
  -  
  -  
  -  
  -  
  -  
 SC-3  
 SC-3  
  -  
  -  
  -  
  -  
  -  
  -  
 SC-3-SH  
 SC-3-SH  
  -  
  -  
  -  
  -  
  -  
  -  
 SC-3-A  
 SC-3-A  
  -  
  -  
  -  
  -  
  -  
  -  
 SC-3-HF  
 SC-3-HF  
  -  
  -  
  -  
  -  
  -  
 SC-5  
 SC-5  
 SC-5  
 SC-5  
  -  
  -  
  -  
  -  
  -  
  -  
  -  
  -  
 SC-5-HF  
 SC-5-HF  
  -  
  -  
  -  
 SC-10  
 SC-10  
 SC-10  
 SC-10  
 SC-10  
  -  
  -  
  -  
  -  
  -  
  -  
  -  
 SC-10-HF  
 SC-10-HF  
  -  
 SC-20  
 SC-20  
 SC-20  
 SC-20  
 SC-20  
  -  
  -  
  -  
 SC-21  
 SC-21  
 SC-21  
 SC-21  
 SC-21  
 SC-21  
  -  
  -  
 SC-25  
 SC-25  
 SC-25  
 SC-25  
 SC-25  
 SC-25  
  -  
  -  
  -  
  -  
 SC-30  
 SC-30  
 SC-30  
 SC-30  
 SC-30  
 SC-30  

 

SELECTING THE RIGHT SCANNER FOR YOUR APPLICATION BY THE SCAN ANGLE (PTP OPTICAL):
The following should serve as guide lines only:


 

 5-6 
 10-18 
 20-25 
 30 
 35-40 
 50 
 60 
 70 
  - 
  - 
 SC-2  
 SC-2 
 SC-2 
 SC-2 
  -  
  -  
  -  
  - 
 SC-3  
 SC-3 
 SC-3 
 SC-3 
  -  
  -  
  -  
  -  
 SC-3-SH 
 SC-3-SH 
 SC-3-SH 
 SC-3-SH 
  -  
  -  
  -  
  -  
 SC-5 
 SC-5 
 SC-5 
 SC-5 
 SC-5 
  -  
  -  
  -  
  -  
 SC-5-HF 
 SC-5-HF 
  - 
  -  
  -  
  -  
 SC-10 
 SC-10 
 SC-10 
 SC-10 
 SC-10 
 SC-10 
  -  
  - 
  - 
  - 
 SC-10-HF 
 SC-10-HF 
  - 
  - 
  - 
  - 
 SC-20 
 SC-20 
 SC-20 
 SC-20 
 SC-20 
 SC-20 
  -  
  -  
  -  
 SC-21  
 SC-21 
 SC-21  
  -  
 SC-21 
 SC-21 
  - 
  - 
 SC-25 
 SC-25 
 SC-25 
 SC-25 
 SC-25 
  -  
 SC-30 
 SC-30 
 SC-30 
 SC-30 
  -  
  -  
  -  
  -  

 

SELECTING THE RIGHT SCANNER FOR YOUR APPLICATION BY THE MIRROR SIZE (mm):
The following should serve as guide lines only:

 3x4 
 4x5 
 5x6 
 6x6 
 6 dia 
 6x7 
 7x6 
 7x7 
 7x8 
 8x8 
 8x9 
 10x6 
 10x10 
 12x7 
 12x12 
 15x15 
 20x20 
 25x25 
 30x30 
  - 
  - 
  - 
 SC-2 
 SC-2 
 SC-2 
 SC-2 
  -  
  - 
  - 
  - 
 SC-2 
  - 
  - 
  -  
  -  
  -  
  -  
  -  
  -  
  - 
  - 
 SC-3 
 SC-3 
  - 
  -  
  SC-3 
  -  
  - 
 SC-3  
  - 
  - 
 SC-3 
  -  
  -  
  -  
  -  
  -  
  - 
  - 
 - 
 SC-3-SH 
 SC-3-SH 
  - 
  - 
 SC-3-SH 
  -  
  -  
 SC-3-SH 
  - 
  - 
 SC-3-SH 
  -  
  -  
  -  
  -  
  -  
  -  
  -  
  - 
  - 
  - 
  - 
  - 
 SC-5 
  -  
 SC-5nbsp;
  - 
  - 
 SC-5 
  - 
  - 
 SC-5 
  -  
  -  
  -  
  -  
  -  
  -  
 SC-5-HF 
 SC-5-HF 
  - 
  -  
  -  
  -  
  -  
  -  
  - 
  - 
  - 
  -  
  -  
  -  
  -  
  -  
  - 
  - 
  - 
  - 
  - 
  - 
  - 
 SC-10 
  - 
 SC-10 
  - 
  - 
 SC-10 
  - 
  - 
  - 
 SC-10&nbs
  -  
  -  
  - 
  - 
  - 
 SC-10-HF 
 SC-10-HF 
  - 
  - 
  - 
  - 
  - 
  - 
 SC-10-HF 
 SC-10-HF 
  - 
  - 
  - 
  - 
  -  
  -  
  - 
  - 
 - 
  - 
  - 
  - 
  - 
 SC-20 
  - 
 SC-20 
  - 
  - 
 SC-20 
  - 
  - 
  - 
 SC-20 
 SC-20 
  -  
  -  
  -  
  - 
  - 
  - 
  -  
  - 
  - 
  -  
  - 
 SC-21 
  - 
  -  
 SC-21 
 SC-21 
 SC-21 
 SC-21 
  -  
  -  
  -  
  - 
  - 
  - 
 SC-25 
 SC-25 
  - 
  - 
  -  
  - 
 SC-25 
  - 
  - 
 SC-25 
  - 
 SC-25 
  -  
 SC-25 
  -  
 SC-25 
 SC-30 
 SC-30 
 SC-30 
  - 
  -  
  -  
  -  
  -  
 SC-30 
  - 
 SC-30 
 - 
 SC-30 
  -  
  -  
  -  
  -  
 SC-30 
  -  

 



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