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The University Laser Safety policy is run by the Radiation Safety Office and covers both ionising and non-ionising (ie lasers, UV lamps, arc lamps and high bridghtness LEDs) sources of energy. The British Laser Safety Standards provide a suitable framework upon which to build a suitable laser safety policy. The University Health and Safety Division have produce a series of guidelines: Safe Use of Lasers (third edition)[PDF, 368KB] . This booklet contains information for Departmental Laser Safety Officers, laser users and research supervisors. Contact the departmental laser safety officer for copies of this booklet.
The Safe Use of Lasers guide provides basic essential information for working safely with lasers. For additional advice on laser safety please consult your Research Supervisor, Departmental Laser Safety Officer or the Assistant Radiation Protection Officer (University Health and Safety Division). Section A of the booklet contains information especially relevant to users of Class 3B and 4 lasers, section B gives specific information which may be useful in various applications and section C contains appendices for additional information. Generally, as a minimum, Class 3B and 4 laser users should read section A in addition to local policy and procedure documents.
1) Complete personal and laser sections (including the departmental reference for the laser(s) being used). Leave the risk assessment and local rules reference number boxes blank.
2) Attend the compulsory local new student/RA induction course upon arrival to the Engineering Department. You should have done this as part of the induction process. If you have arrived out of term, then you will have to arrange a course with the Safety Office of the Engineering Department.
3) Sign up and attend the next available date for the University Class 3b/4 laser course. Specific laser safety courses are run by the Health and Safety Division on a termly basis. It is mandatory that any users of class 3b or class 4 lasers attend one of these courses as soon as possible. In you are using a UV laser system thne you must also register for the next available UV laser and radiation course. See course and briefing descriptions for details and booking procedures. This training should be refreshed every three years.
4) Complete a laser risk assessment, discuss with the DLSO (ie me) about contents and required details. A laser safety risk assessment (and local rules) must be completed, checked and agreed with the DLSO BEFORE the laser is powered up. The laser safety risk assessment should be done in conjunction with a full risk assessment of your experiment. The laser risk assessment uses the NRPB format laser risk assessment form which must be completed by all users of a laser system. There are guidelines to completeing the risk assessment form in the Safe Use of Lasers booklet which should be read before starting the assessment process. Help and assistance for this risk assessment and local rules are covered in the mandatory University Class 3b/4 laser course. The completed risk assessment and local rules must include details of any operational procedures for the experimental system, including setup and alignment. If you are in any doubt or are setting up an experiment for the first time, then contact the departmental laser safety officer. For a basic guide on what to include in a CUED laser safety risk assessement and local rules click here.
5) Complete a full set of Local Rules. Your risk assessment must be accompanied by a set of local rules for safe operation. This document lists the operation of the experiment, any experimental procedures required, training, authorisation and contact details. The local rules are of particular importance where an experiment contains open access to laser radiation without enclosure. Any system using un-enclosed laser beams MUST detail the reasoning behind this in the risk assessment and describe the safe operating procedure for the experimental process within the local rules. For a basic guide on what to include in a CUED set of local rules click here
6) Complete local training procedures as specified in your local rules. This will include initial supervised sessions with the laser or laser based experiments. At no point should an untrained or unauthorised users be left alone to the the laser system. A detailed description of the local training procedures should be included as part of your local rules document.
7) Once all of these steps have been completed then your supervisor should sign off your authorisation form and send it to the CUED DLSO. The DLSO will then complete the process by checking off the steps and signing the form.
8) The user will then be officially authorised to use the described laser(s) or system(s)in the risk assessment and local rules.
9) A copy of the completed Risk Assessment and Local Rules must be placed at the site of the experiment and be ready for inspection.
10) Any changes to the experiment must be stated as an amendment or re-issue of the risk assessement and local rules and be sent to the CUED DLSO.
The procedure listed above is designed to assist in the process of setting up and risk assessing a new or existing laser based experiment or piece of equipment. Please note these rules apply to all of the satellite laboratories around the Cambridge area as well as the main Trumpington St site. This includes sites such as the Whittle labs, The Gates Building, CAPE, IfM and the the centifuge labs.
The following rules apply to anyone who is setting up an system which uses or includes a Class 3b or Class 4 laser or a light source of equivalent power lever (such as UV lamp or high brightness LED). If you are not sure what class your laser or light source is, then contact the departmental laser safety officer to discuss possible classifications. Even if you are using a laser classified lower than 3b, it is worth getting touch to discuss any possible risks or hazards.
A list of useful sources of laser safety equipment such as eyewear, filter material, IR/UV viewers, etc. Please contact the departmental laser safety officer or the Health and Safety Division if you have anything to add to this list and we will update it.
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Last content change : Jun 12