As part of the design brief for the RSTM rifle mounted laser projector AOS Technology Ltd were tasked with developing a high quality laser transmitter with exceptional beam quality at 100m. In addition the optical power requirements under a number of operational conditions needed to be evaluated and a full laser safety audit conducted in accordance with both the European Standard and the Joint Services Publication JSP390 Military Laser Safety Document. The projector has a dual classification depending upon its mode of operation and a number of safety circuits to ensure that this classification is not breached.

Optical conditioning of the beam was accomplished using a specially corrected high quality laser diode in combination with a precision mounted and aligned diffractive optic element. All the laser diode and lens mounts and the manufacturing jigs were designed and manufactured in-house. Following evaluation of the beam profile by the customer a small manufacturing run was conducted and associated mechanical mounts designed both for the laser module inside the RSTM projector and for the projector on a SA80 rifle. Each complete and tested RSTM module was supplied with a test certificate detailing the measured beam profile and the rated optical power so that the customer could assure the MOD that module met its specification.

This research and development programme is a good example of the versatility of the services that AOS can provide and highlights the need in product development for a wide and diverse skill base.

For further information please use the following links;

• AOS Manufacturing Services
• AOS Design & Development Services Overview
• Pennant PLC RSTM

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