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Chapter 1 Overview
1.1 Description
The NanoTrak
®
Controller represents the latest developments in automated optical
alignment technology. Its space-saving design combines an active-feedback optical
alignment system and a two-channel piezoelectric controller in a single ergonomic
unit, allowing the user to align optical fibers and optimize the coupling of light into and
out of photonic devices.
Operator interaction is via an intuitive software interface and all connections are via
the rear panel, which improves cable management and reduces the risk of
entanglement or snagging.
1.2 Software
The controller is supplied with a full suite of software support tools. An intuitive
graphical instrument panel allows immediate control and visualization of the operation
of the NanoTrak controller, and any other controllers that are installed in the system.
See Section 1.3. for a full description of the software.
The unit operation is fully configurable (parameterized) with key settings exposed
through the associated graphical interface panel. Track or Latch operating modes can
be selected 'on the fly', and in both modes the display can be changed to show drive
voltage or position (in microns). In the closed loop operation mode, both the P & I
(proportional and integral) components of the feedback control loop can be altered to
adjust the servoloop response. For convenience and ease of use, adjustment of many
key parameters is possible through direct interaction with the graphical panel. Note
that all such settings and parameters are also accessible through the ActiveX
programmable interfaces which allow the user to build automated alignment routines.
See Section 1.3. for a full description of the Kinesis software.
The key innovation of the Thorlabs range of controllers and associated mechanical
products is the ease and speed with which complete automated alignment systems
can be engineered at both the hardware and software level. All controllers in the
range are equipped with USB connectivity. The 'multi-drop' USB bus allows multiple
units to be connected to a single controller PC using commerical USB hubs and
cables. When planning an alignment application, simply add up the number and type
of drive channels required and connect together the associated number of
controllers.
