|Course:||Introduction to Laser Cleaning in
|Date Offered:||Contact organisers for details|
|Location:||The Conservation Centre, National Museums and Galleries
on Merseyside, Whitechapel, Liverpool L1 6HZ (UK)|
|Instructor:||Dr Martin Cooper, Dr Stephen Fowles|
|Contact:||Tel:+44 151 478 4904 Fax:+44 151 478 4990 e-mail:
- Course Summary
- An Introduction to lasers
- Light radiation and the electromagnetic spectrum. The laser
process, including stimulated emission and population inversion.
Properties of laser radiation. Different types of laser. wavelength
and pulse length.
- Safety and laser maintenance
- Laser safety and interlocks. A practical introduction to laser
maintenance. Introductory problem solving. Setting up the
- Laser optics and cleaning
- Introductory optics including reflection and absorption. Simple
ideas of energy conversion to heat and sound. Beam focusing.
- First steps in laser cleaning
- Practical hands-on use of the laser on a number of test
materials. Keeping records and notes of procedure.
- The physics of laser cleaning
- Removal of dirt by vibration and ablation. Importance of pulse
length and energy density. Avoiding damage to objects.
- Laser cleaning techniques.
- Practical skills in laser cleaning. The conservation approach to
laser cleaning. Systematic testing and surface studies.
- Practical laser cleaning
- Cleaning a variety of objects using the laser. Looking for signs
of damage. Laser steam cleaning.
- There will be ample opportunity for questions and discussion
during the course.
- To provide a broad understanding of the use of lasers in
conservation. The course concentrates on the practical application
of the Nd:YAG laser to the cleaning and conservation of
- Intended Audience
- Conservators or those with a conservation background who wish to
acquire experience in this new field.
- Prior Knowledge
- An appreciation of conservation is assumed by no scientific
background is required.
- Teaching Staff
- The course is given by specialists from the field of lasers and
conservation drawn from the staff of the National Museums and
Galleries on Merseyside.
- All participants will receive an extensive set of notes
providing a summary of the course.