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- The Limtek LOS laser interferometer has distinct advantages over other
interferometer systems. These are:
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- - the Limtek laser does not use any heating method which means that
after switching on, the stabiization warm-up time is almost immediate
and ready for use.
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- - compact laser tube design made from fused silica, guarantees the
high beam stability of the interferometer and allows the laser beam
to be used as a reference line for alternative method of straightness
and squareness calibrations. This new method uses a calibrated CCD camera
as a detector of the laser beam position as opposed to other interferometric
methods using expensive optics.
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- The lightweight and small dimensions of the Limtek system makes it
portable and ideal for numerous applications. The linear distance measurement
software checks the positioning accuracy of machine tools and CMM's,
by taking the user through alignment, measurement and evaluation procedures
to national and international standards. Linear error compensation modules
for CNC control systems and an automatic measurement mode saves time
on machine tool calibration.
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- For other engineering applications, the system can be supplied with
separate detector units to enable up to 4 simultaneous axes measurement
using a single laser unit. This feature along with special miniature
optics for X-Y positioning systems, makes the Limtek interferometer
well worth considering for the highest in resolution and accuracy.
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- The Limtek interferometer specification includes; 1.25nm resolution
at a velocity of 2 metres per second, a 500kHz sampling rate and a distance
measurement up to 40 metres range (single axis) and 10 metres (multi-axes
applications).
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 - The Limtek laser interferometer measures:
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- - position
- - velocity
- - acceleration
- - straightness
- - squareness
- - angles
- - flatness
- - parallelism
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- Where to us a Limtek laser interferometer:
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- - Machinery
- - machine tool calibration
- - calibration of CMM's
- - calibration of measuring devices
- - production quality control
- - dimensional measuremet
- - adjustment and alignment
- - internal measurment system
- - high accuracy machines
- - lead screw verfication
- - dynamic measurment
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- - Aircraft & Automobile Industry - measurment and checking of
large dimensions
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- - Metrology & calibration Laboratories - in various applications
as a length standard
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- - Microelectronic Industry - internal multi-axis system for high precision
positioning
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- - testing of semiconductor wafers
- - laser writing machines
- - step and repeat cameras
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