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  • Delay line / optical
  • Delay line / optical

scanDelay USB

Article: 00007411

Delay line / optical

The scanDelay is a device for introducing a well defined linear translation and positioning of an optical element, e.g. in interferometers, pump and probe configurations, correlators, or fast scan modules.

The heart of the A·P·E optical delay line series scanDelay is a special linear translation stage that is supplied together with appropriate control and drive electronics. The linear drive has been designed especially for optical applications. It combines low moving mass with compactness, reaching a high speed, as well as high precision and resolution. Because of spring bearings the movement is frictionless.

Thus scanDelay is capable of generating fast wide scans as well as smallest delays without any stick-slip effects. The actual position is measured in real-time by an analog photo-electric system with high resolution and wide dynamic range.

The linear drive allowing precise predictions of the scanner movement and leading to an excellent scan-to-scan reproducibility.

The control electronics contain the motor driver and a quartz stabilized signal synthesizer. It can be synchronized with an external clock for a precise, phase-locked scanner movement. A software user interface allows easy control and setup of the scanner. A set of LabView drivers allows an easy integration into existing measurement software. The scanDelay can be operated over a wide range of scanning frequencies with various scan modi, the motor driving force can be sinusoidal, triangular, sawtooth-like, or even of a user defined shape. The scanner movement will respond to this within the physical limitations imposed by a harmonic system.

Specifications

  • Options: optical

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