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Customized Sensor Heads
customized sensor heads for specific applications
For measuring displacements in a nanometer scale, sensor heads
must fit the application‘s characteristics. For applications exceed-
ing the standard range of applications or sensor heads, attocube
offers a customization service providing sensor heads adapted
the specific application. This customization service includes the
variation of the optics type, the focal length, the mounting, the
connecting fiber, and the environment (see the page on the right).
Our expert sales personnel will lead you through our process for
characterizing your application and to find a suitable sensor head
that will be produced for this specific applications.
±2°
Wide Angle Option
Applications requiring a wide angle tolerance can be realized by
the customized M12/C1.6 sensor head. This collimating sensor
head is compatible to the wide angle option that allows tolerance
angles up to +-2° (depending on the working distance). The wide
angle option can be activated via the webserver. The effect of
the wide angle option is based on the dual pass mode because the
laser beam is passing the cavity twice: after first time passing,
the beam is reflected by the ferrule back to the target and then
reflected to the fiber (see figure on the left…). This enables large
working distances for a lower angle tolerance as well as a high
angle tolerance for smaller working distances.
Customized Sensor Head for
Space-limited Applications Customized Sensor Head Focusing
Directly on Buckled Guide Rails
Machine-integrated measurements do not provide a lot of space
for conventional measurement systems. Realizing measure-
ments in space-limited applications requires a compact design
of sensor heads and electronics. The customized sensor heads
with a diameter of 1.2 mm fulfill those requirements of lowest
space consumption. The small size of the sensor head is possi ble
because the sensor heads include no electronic parts or beam
splitters. Furthermore, this sensor head is available with
different focal lengths. To identify the positioner accuracy of a linear stage, the motion of
the linear stage is tracked by a laser interferometer. The buckled
guide rails make the stage tilting while moving which requires a
high angle tolerance for the measurement system. If the measure-
ment setup requires a direct measurement on the stage without
mounting a retroreflector, the sensor head M12/C7.6 is not suit-
able because it is only applicable to retroreflectors. The custom-
ized sensor head M12/C1.6 has a collimating optics with a beam
diameter of 1.6 mm and fulfills the requirements of high angle tol-
erance combined with the capability of measuring on non-mirror
surfaces (see application on page 242).