Properties

Patient status

Patent Application: GB 1902183.1

Commercial rights

Sole Rights / Non-exclusive

Source

AWE

Regions

Worldwide

Restrictions

None

Available to license

Yes

Project number

MA050

Improve the dynamic range of laser pulse detectors for LIDAR.

A key issue in Light Detection and Ranging (LIDAR) sensing is simultaneously identifying objects both near and far that have varying reflectivities. The reflected signals can vary significantly in intensity which makes accurate ranging problematic. This technology is a passive device that overcomes these issues to significantly increase the probability of successful detection.

Numerous applications ranging from industry and consumer products to medical and scientific research use LIDAR pulsed lasers.

However, resolving these laser pulses is difficult as reflections come back at a wide range of intensities. The ability to simultaneously identify both nearby retroreflecting and distant dark objects requires significant effort. The limited dynamic range of available detectors make rapid identification of objects problematic.

LIDAR Dynamic Range Improvement

This innovative device, developed by scientists at the Atomic Weapons Establishment (AWE), significantly improves the dynamic range of any LIDAR sensor. It’s a passive device that can be retrofitted to existing LIDAR sensors to increase the dynamic range by several orders of magnitude.

Benefits

  • Compatibility — the device is potentially compatible with any laser detector or laser emitter and can be retrofitted to any LIDAR sensor.
  • Customisable  — the device can be tailored precisely to the user’s application by configuration of the time delay and the amplification characteristics of the signal.
  • High Dynamic Range — detector saturation is mitigated to deliver an increase in the dynamic range by two orders of magnitude.
  • Easy Integration — the device does not need a power source, which makes it easier to integrate with existing systems.

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