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Technical Data
Upgrades & Accessories
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Laser beam alignment with electronic autocollimator

Rotary table calibration – Electronic autocollimator

Wobble measurement with electronic autocollimator

Flatness measurement with TriAngle autocollimator

Electronic autocollimator TriAngle Very Large Field for a large measuring range

TriAngle

Electronic autocollimator for precise optical angle measurement

The TriAngle electronic autocollimators are non-contact optical test tools for the high-precision measurement of angular displacements of specular reflective surfaces and the accurate angular alignment of optical or mechanical parts.

TriAngle autocollimators have a versatile modular design which allows them to be fitted with a wide selection of objective tubes, different sensors, reticles and light sources. With objective tubes of different focal lengths and apertures, the optimum measurement solution regarding angle resolution and measurement range is easily found. The modular design, the large variety of products and the extensive accessories allow the use of the TriAngle autocollimators for various angle measurement applications in optics manufacturing as well as in mechanical engineering.

Product Overview

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TriAngle

The most universal electronic autocollimator
TriAngle-Electronic-Autocollimator

The TriAngle electronic autocollimator is the standard and most universal instrument of the TriAngle series.

  • Variable measuring range and accuracy performance between 2.5 and 0.2 arcsec depending on the focal length

  • Different objective tubes available with focal lengths from 100 mm to 1.000 mm

  • Ideally suited for standard angle measurement and alignment purposes

  • Wedge and prism measurements

  • High resolution sensors for best image quality and optimal signal to noise ratio

  • Consistently guaranteed traceability of the measuring results to international standards of the angle measuring variable

Technical Data TriAngle

TriAngle UltraSpec

High precision electronic autocollimator
TriAngle-UltraSpec-Electronic-Autocollimator

TriAngle UltraSpec offers high-precision angle measurement systems for extremely high demands on angle resolution and measurement accuracy especially in the laboratory.

  • Available with 300 mm and 500 mm objective focal length

  • Variable measuring range and accuracy performance of up to 0.05 arcsec

  • Mechanically and thermally optimized design

  • Consistently guaranteed traceability of the measuring results to international standards of the angle measuring variable

  • Superbly corrected objective lens of minimum distortion and a high resolution

  • Digital camera with extremely low sensor noise

Technical Data TriAngle

TriAngle Focus

Focusing electronic autocollimator
TriAngle-Focus-Electronic-Autocollimator

The TriAngle Focus series is particularly suitable for the measurement of slightly spherical mirror surfaces due to the focusing objective tubes.

  • Ideally suited for the contact-free optical radius measurements

  • Different objective tubes available with focal lengths from 100 mm to 1,000 mm

  • Variable measuring range and accuracy performance between 2.5 and 0.2 arcsec depending on the focal length

  • Functionality includes measurements on wedges, prisms and especially on curved surfaces

  • High resolution sensors for best image quality and optimal signal to noise ratio

  • Consistently guaranteed traceability of the measuring results to international standards of the angle measuring variable

Technical Data TriAngle

TriAngle HighSpeed

Electronic autocollimator for
vibration measurements

TriAngle-HighSpeed-Electronic-Autocollimator

The TriAngle HighSpeed is the ideal electronic autocollimator for the angle measurement of vibrations or rapidly moving samples.

  • Linearity of ±0.8% (within 80% field of view)

  • Effective focal lengths from 100 mm to 1,000 mm

  • High-bandwidth position-sensitive photo detector for angle measurement rates up to 10 kHz

  • Analog signal output of the angular data for closed loop control operation for rapid adjustment or angular control operation

  • Detector dissipates almost no heat

  • Consistently guaranteed traceability of the measuring results to international standards of the angle measuring variable

Technical Data TriAngle

TriAngle NIR

Electronic autocollimator for
near infrared application

TriAngle-NIR-Electronic-Autocollimator

The TriAngle NIR electronic autocollimators are commonly used for applications which require measurement at the design wavelength in the NIR.

  • Especially suitable for measurements on material which only reflect light in the NIR range, such as night vision devices

  • Compatibility with objective tubes of different focal lengths

  • Variable measuring range and accuracy performance between 2.5 and 0.2 arcsec depending on the focal length

  • NIR LED illumination for measurement at the design wavelength in the NIR

  • Standard wavelength: 1,064 nm (other wavelengths available on request)

  • Wedge and prism measurements

  • High resolution sensors for best image quality and signal to noise ratio

  • Consistently guaranteed traceability of the measuring results to international standards of the angle measuring variable

Technical Data TriAngle

TriAngle Laser

Electronic autocollimator
with laser light source

TriAngle-Laser-Electronic-Autocollimator

The TriAngle Laser is Ideal for the measurement of small optical components, surfaces of low reflectivity or long distance measurements.

  • Laser light source instead of an LED illuminated reticle

  • Different objective tubes with focal lengths from 100 mm to 1,000 mm

  • Variable measuring range and accuracy performance between 2.5 and 0.2 arcsec depending on the focal length

  • Laser illumination with wavelengths of 635 nm

  • High resolution sensor for best image quality and optimal signal to noise ratio

  • Consistently guaranteed traceability of the measuring results to international standards of the angle measuring variable

Technical Data TriAngle

TriAngle Large Field

Electronic autocollimator with large measuring range
TriAngle-LargeField-Electronic-Autocollimator

The TriAngle LF autocollimator has been designed for applications requiring a large measuring range without compromising the measurement accuracy and resolution.

  • Accuracy ± 3“ within 80 % of the measuring range

  • Available with a focal range of 100 mm

  • Use of specially calibrated large field sensor and optimized imaging optics

Technical Data TriAngle

TriAngle Very Large Field

Electronic autocollimator with enlarged measuring range
Very Large Field

The TriAngle Very Large Field is suitable for applications that require a large measuring range as well as for high precision tilt angle measurements.

  • Large measuring range in autocollimation of up to 10° (± 5°)

  • Use of special reticles

  • Mechano-optical structure designed for the large field of view

TriAngle Short

Compact electronic autocollimator
Kompakter elektronischer Autokollimator

The TriAngle Short is an electronic autocollimator that combines the higher accuracy of the TA 500-57 with the more compact and thermally stable design of the TA 300-57.

  • Effective focal length of 500 mm with simultaneous tube length of only 300 mm

  • High accuracy of 0.4 arc seconds

  • Possible uses in environments with limited room

D-275

Automatic Alignment Telescope
AAT-D-275-Automatic-Alignment-Telescope

The D-275 Automatic Autocollimating Alignment Telescope focuses from 40 cm to infinity, to align and measure the location and angular orientation of any number of targets along its optical axis.

  • Since the mechanical axis of the tube and the optical axis of the instrument are parallel within 1 arc second, the instrument is easily adaptable to mounts, jigs, stages, and various setups and setups using a dial indicator.

  • A reflective surface may be established normal to the optical axis by utilizing the autocollimating feature. The D-275 Automatic Alignment Telescope provides the flexibility to align most complex optical assemblies and beam paths.

  • Only fully automated telescope for alignment and/or measurement of 5 axes of components in optical beam paths and subassemblies

  • Calibration certified & traceable to NIST standards

  • Remotely controllable using TCP/IP

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TriAngle-Application

Applications

Versatile range of applications

The applications for TriAngle electronic autocollimators are manifold. The wide portfolio means that the right model is available for every application.

Measurement applications with electronic autocollimators of the TriAngle series

  • Tilt Angle Measurement

  • Alignment of Optical Components

  • Wedge Angle Measurement in Reflection

  • Wedge Angle Measurement in Double Pass
  • Wobble Measurement

  • Vibration Measurement

  • Prism & Polygon Measurement (45°/90°)

  • Measurement of Slightly Curved Surfaces

  • Measurement of Flatness / Straightness / Parallelism

  • Rotary Table Calibration

  • Angle calibration tasks

  • Corner Cube Inspections

TriAngle-Application-Overview

Software

OptiAngle®

The complete software package for angle measurement

The software OptiAngle® is a powerful tool covering all aspects of accurate angle measurement with the TriAngle electronic autocollimators in terms of measurement, control and analysis of the angular data. The well organized and modern menuguided user interface assists even the inexperienced operator to perform accurate measurements and to obtain repeatable results. A large set of pre-defined standard measurement applications is integrated into OptiAngle® which cover all established measurement techniques in optical and mechanical industry. In addition, customized measurement routines can be easily developed and embedded either by TRIOPTICS or the experienced end user. All OptiAngle® measurement functions can be further used in other common applications like Lab-View or Visual Basic (Excel).

The TriAngle software provides many features to simplify the daily use of TriAngle autocollimators whether in the laboratory or in the production environment.

  • Real-time camera display
  • Numerical and graphical display of measurement data
  • Optional full screen camera window (visual alignment mode)
  • Indicators inside the camera window
  • Simultaneous measurement with multiple (up to 12) autocollimators
  • Simultaneous measurement of multiple surface reflections (up to 12)
  • Comprehensive data reporting functions
  • Data export format: ASCII (CSV), XLS, PDF
  • Selectable angle units for screen display and measurement certificate
  • Software remote control by host computer via RS232, TCP/IP interface
  • Programming interface by automation or via DLL
  • Scripting mechanism for customized measurement programs
  • Scripting interface for user-based solutions
  • Demo programming examples for LabView, and VBA (Excel)
  • Multiple camera interface technology for IEEE 1394 (FireWire) or USB. On request: Gbit Ethernet, CameraLink or Analog Video Cameras
  • Production mode for batch/lot sample identification and result reporting
  • Load option of saved results

Easy integration of customized measurement solutions

The OptiAngle® software allows the integration of customized measurement programs with a dedicated user interface for specialized target applications. Custom specific measurement routines and display functions are quickly implemented to take care of specialized procedures, e.g. in a production environment.

The advantages are:

  • User interface adapted to specialized applications
  • Increase of throughput
  • Avoidance of faulty operations in production processes
  • Integration of external hardware and software possible
  • Adaptation to familiar data processing and display

OptiAngle® Programming Interface (API)

In addition to the above scripting mechanism, the OptiAngle® functions can be embedded into a larger measurement framework which then can take control over the full functionality of OptiAngle® measurement applications.

OptiAngle® features an open software concept and programming interface which allows for the flexible and easy integration into other software environments. The angle measurement functions of TriAngle autocollimators can thus be integrated into almost any existing measurement application. In contrast to the scripting technology the user himself is enabled to develop the interfacing between the TriAngle autocollimator and his governing application. OptiAngle® functions are executed either by sending commands via serial port (RS232) or TCP/IP, or directly using the C based DLL programming interface (API). Existing sample applications and the comprehensive documentation demonstrate the control of TriAngle autocollimators by LabView, VBA, Excel. TRIOPTICS will be happy to assist the user to integrate the TriAngle functions into his own application.

Technical Data

 Effective focal lengthClear apertureAccuracyField of viewMeasurement Frequency
Productmmmmarc secarc secHz
TriAngle TAUSB 3.0FirewireUSB 3.0Firewire
TA 100-38100262.56,170 x 4,9406,600 x 4,90030 Hz
(up to 160 Hz
depending on
the setting)
30 Hz
(up to 60 Hz
depending on
the setting)
TA 150-38150301.74,120 x 3,3004,400 x 3,250
TA 200-38200301.33,090 x 2,4703,300 x 2,450
TA 300-38300300.752,060 x 1,6502,200 x 1,600
TA 300-57300500.752,060 x 1,6502,200 x 1,600
TA 500-57500500.41,240 x 9801,300 x 950
TA 1000-1151,0001000.2610 x 490650 x 480
TA 1000-1401,0001250.2610 x 490650 x 480
TriAngle FocusUSB 3.0FirewireUSB 3.0Firewire
TA F 100-38 ±10100262.56,170 x 4,9406,600 x 4,90030 Hz
(up to 160 Hz
depending on
the setting)
30 Hz
(up to 60 Hz
depending on
the setting)
TA F 150-38 ±10150301.74,120 x 3,3004,400 x 3,250
TA F 200-38 ±10200301.33,090 x 2,4703,300 x 2,450
TA F 300-38 ±10300300.752,060 x 1,6502,200 x 1,600
TA F 300-57 ±10300500.752,060 x 1,6502,200 x 1,600
TA F 500-57 ±10500500.41,240 x 9801,300 x 950
TA F 1000-115 ±101,0001000.2610 x 490650 x 480
TriAngle UltraSpecUSB 3.0FirewireUSB 3.0Firewire
TA US 300-5730045±0.05 over total range of 10 arc sec
±0.25 over entire range
3,000 x 19203,010 x 2,23030 Hz
(up to 130 Hz depending on the setting)
> 15 Hz
TA US 500-57500451,800 x 1,1501,800 x 1,340
TriAngle Large FieldUSB 3.0FirewireUSB 3.0Firewire
TA LF 100-381002633° x 3°> 10 Hz> 10 Hz
TriAngle TA, Focus, UltraSpec, LargeField – Illumination: high power LED at 525 nm
TriAngle LaserUSB 3.0FirewireUSB 3.0Firewire
TA L 100-38100262.56,170 x 4,9406,600 x 4,90030 Hz
(up to 160 Hz
depending on
the setting)
30 Hz
(up to 60 Hz
depending on
the setting)
TA L 150-38150301.74,120 x 3,3004,400 x 3,250
TA L 200-38200301.23,090 x 2,4703,300 x 2,450
TA L 300-38300300.82,060 x 1,6502,200 x 1,600
TA L 300-57300500.82,060 x 1,6502,200 x 1,600
TA L 500-57500500.51,240 x 9801,300 x 950
TA L 1000-1151,0001000.25610 x 490650 x 480
TA L 1000-1401,0001250.25610 x 490650 x 480
Illumination: Laser diode at 635 nm
TriAngle High SpeedUSB 3.0
TA HS 100-3810026±0.8%
(within 80%
field of view)
4,000 x 4,00010 kHz
TA HS 150-38150302,650 x 2,650
TA HS 200-38200302,000 x 2,000
TA HS 300-38300301,300 x 1,300
TA HS 300-57300501,300 x 1,300
TA HS 500-5750050800 x 800
TA HS 1000-1151,000100400 x 400
TA HS 1000-1401,000125400 x 400
Illumination: Laser diode at 635 nm
TriAngle NIRUSB 3.0FirewireUSB 3.0Firewire
TA NIR 100-38100262.56,170 x 4,9406,600 x 4,90030 Hz
(up to 160 Hz
depending on
the setting)
30 Hz
(up to 60 Hz
depending on
the setting)
TA NIR 150-38150301.74,120 x 3,3004,400 x 3,250
TA NIR 200-38200301.33,090 x 2,4703,300 x 2,450
TA NIR 300-38300300.752,060 x 1,6502,200 x 1,600
TA NIR 300-57300500.752,060 x 1,6502,200 x 1,600
TA NIR 500-57500500.41,240 x 9801,300 x 950
TA NIR 1000-1151,0001000.2610 x 490650 x 480
TA NIR 1000-1401,0001250.2610 x 490650 x480
Illumination: high power LED at 780-1,064 nm
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Upgrades & Accessories

TRIOPTICS offers for the TriAngle electronic autocollimator series a large range of opto-mechanical accessories, often required for certain standard applications.

Upgrades_Holder_ClampFixture

Clamp fixture

Upgrades_Holder_Adjustable_Holder

Adjustable holder

Upgrades_Holder_ClampFixture

Stand

TriAngle-Accessories-Adjustable-Mirror

Adjustable mirror

Upgrades_Mirror_Redirecting_Mirror

Mirror in mount

Upgrades_Mirror_Redirecting_Mirror

Redirecting mirror

TriAngle-Accessories-Pentaprism

Pentaprism in holder

TriAngle-Accessories-12-sided-Polygon

12 sided polygon

TriAngle-Accessories-Laser-Alignment-Tool

Laser alignment tool

Knowledge Base

Electronic autocollimator

In an electronic autocollimator the eyepiece is replaced by an electronic camera with discrete sensor pixels (e.g. CCD or CMOS sensor type). It can be of a 2D frame type allowing angular measurements in two directions, or a 1D line scan sensor for single axis measurements. The digital camera is usually connected to a PC which calculates the measured angle from the image by using image analysis software. The PC assisted measurement guarantees much higher resolution, accuracy and repeatability of the results compared to the visual inspection, since it does not depend on the operators experience and attention.

The high resolution of electronic autocollimators is due to the evaluation of gray scale levels in the image which allows for sub pixel interpolation of the image position. Depending on the focal length of the objective lens and the stability of the setup, angular resolutions of 1/100 up to 1/1000 arcsecs can be achieved.

More knowledge for experts

Everything you need to know about image quality testing of camera modules can be found in the knowledge base of CamTest…
Go to Knowledge Base from OptiTest®.

Electronic autocollimator

Electronic autocollimator

Sub pixel resolution by evaluating image gray levels