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Our new ACT-WF autocollimator is a rare combination of extreme resolution and wide-field of view. The ACT-WF has a  2.4 megapixel wide spectral range camera, and also includes a full software suite for recording and documenting measurements. 

ACT WF Autocollimator

ACT-WF HIGH-RESOLUTION WIDE FIELD OF VIEW ELECTRONIC AUTOCOLLIMATORS

  • High-resolution measurement capability down to 0.01 arc second or 0.05 μRad.
  • Real time measurement of angular displacement.
  • Automatic angle deviation display.
  • Relative measurements.
  • Built-in pan and tilt adjustments.
  • Built-in coarse aiming laser.
  • Multiple results display.
  • Low Light - low reflection capability.
  • Reticle targets (single or multiple).
  • Data logging with detailed statistics.
  • Software controlled electronic shutter & gain.
  • Data exporting to another computer via RS232 or TCP/IP.
  • Video with playback, snapshot files.
  • Complete with full software suite for recording and documenting measurements.

Electronic Autocollimators:

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The ACT-WF has a built-in computer controlled laser pointer for easy alignment as well as built-in pan and tilt adjusting mechanics.

It has a 2.4 megapixel wide spectral range camera, and features a resolution of 0.01 arc-seconds (0.05 μRad ), with a clear aperture of 45mm.

The many uses of the ACT-WF include:
-Straightness measurement of linear stages
–Characterization of rotary stages
–CD/DVD-Rom alignment
–Measurement of mirror angles
–Measurement of wedge, prism and polygon angles
–Measurement of reflecting surface parallelism
–Measurement of surface flatness
–Alignment of optical setups including lasers
–Thermal stability measurements
–Vibrations analysis and much more.

Machinery Alignment

The Autocollimator/Telescope can be used for checking the accuracy of machine slides. To check the slides, mount a mirror to the machine table. The mirror is facing in the direction of travel. The autocollimator is aligned to the mirror, and the table is then moved either continuously or in discrete steps. Any error in the movement of the table shows up as the reticle image moving.

Machinery Alignment Diagram

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Optical Testing

The electronic autocollimator can be used for testing various optical components. Some can be measured directly, and others would require the use of supplemental optics.

When using the autocollimator mode, it is important to understand the display readout. The autocollimator scale is set up to measure mirror tilt, not the beam angle. When a mirror is tilted, the reflected beam is deviated by twice the angle of the tilt.

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Boresighting

Boresighting is the aligning of a targeting system or systems with the barrel of a weapon, or the co-alignment of different targeting systems (visible and infrared). Boresighting will typically require some additional set-up/equipment. This could take the form of an accurate translation stage or an LTHR or periscope possibly equipped with a beam splitter.

The set-up here is highly dependent on the configuration and number of objects being bore-sighted.

Software

The software automatically displays angle deviation and can give the relative position of multiple targets.

Data logging is supported and can be configured to record for a predetermined time or a fixed number of data points. The recording interval can also be set. The data can be saved to a file or streamed to a remote location via RS-232 or TCP/IP. The communication setting for both RS-232 and TCP/IP is fully configurable from the software.

Autocollimator Screen

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Specification Value 3D Models
& Diagrams
Spectral Response 350 - 1600 nm Click Here
Gqin Control 1-24 dB
Shutter Speed 39 μsec to 20 sec
FoV Autocollimator ±45’ (V) x ±1°10’ (H)
FoV Telescope ±1°30’(V)x ±2°20’(H)

Clear Aperture

45 mm
Resolution 0.01 sec
Accuracy 1.0 sec
Camera (Wide Spectral Range) 2.4 Mega Pixels, 12 bit
Light Source

LED- 650, optional: 1060.
Special order: 1310 / 1550 nm

Pan & Tilt knobs Tilt ±2°, Pan ±2.5°
Built in coarse aiming Laser Pointer 638 nm power <1.0 mW
Class 2 laser product, IEC60825-1
Synchronization •Software
•Hardware (external trigger signal)
Interface USB 3.0
Exposure Control Programmable via GUI
Housing Size (L x W x H) in mm 205 x 92 x 158
Power Requirements ~2.5 Watt (Via USB 3.0 interface)
Weight (typical) 3.7 kg

Metrology System for Inter-Alignment of Lasers, Telescopes, and Mechanical Datum: Poster Presentation at OPTIFAB.

Advances in sensor technology have opened the door to new measuring instruments, initiating the development of the new PLX, ACT-25 and ACT-HR Electronic Autocollimator and Alignment Telescope Systems.

The technology is based on autocollimation principles combining laser beam collimation and direction measurement, accurate telescopic measurement, focusing techniques with sophisticated software and computing techniques. Of special interest is the laser analyzing autocollimator since it combines laser-analyzing technology with angular reflection technology.

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PLX’s "Metrology System for Inter-Alignment of Lasers, Telescopes, and Mechanical Datum” abstract / manuscript accepted at SPIE for inclusion in their Library of Technical Papers.

In modern scientific and industrial laser applications, inter-alignment of multiple optical devices is frequently a basic requirement to meet a certain specification and performance.

However, the designed optical system combining mechanical elements, lasers and optical sights in various wavelengths frequently deviates from specified

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