TriAngle

Electronic Autocollimator

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.

TriAngle autocollimators are available in different application-specific variants:

TriAngle

The most universal 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

TriAngle UltraSpec

High precision 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

TriAngle Focus

Focusing 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

TriAngle HighSpeed

Electronic autocollimator for vibration measurements

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

TriAngle NIR

Electronic autocollimator for near infrared application

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

TriAngle Laser

Electronic autocollimator with laser light source

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

TriAngle Large Field

Electronic autocollimator with large measuring range

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

TriAngle Very Large Field

Electronic autocollimator with enlarged measuring range

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

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

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.

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

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