Applied Photonics LIBSCAN 25+ User Manual

Applied Photonics LIBSCAN 25+ User Manual

Portable, modular laser-induced breakdown spectroscopy (libs) instrument

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Portable, Modular
Laser-Induced Breakdown Spectroscopy
(LIBS) Instrument
User's Manual
January 2018
Applied Photonics Ltd
Unit 8 Carleton Business Park, Skipton, North Yorkshire BD23 2DE, United Kingdom
Tel +44 (0) 1756 708900 Fax +44 (0) 1756 708909 Web: www.appliedphotonics.co.uk

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Summary of Contents for Applied Photonics LIBSCAN 25+

  • Page 1 Portable, Modular Laser-Induced Breakdown Spectroscopy (LIBS) Instrument User’s Manual January 2018 Applied Photonics Ltd Unit 8 Carleton Business Park, Skipton, North Yorkshire BD23 2DE, United Kingdom Tel +44 (0) 1756 708900 Fax +44 (0) 1756 708909 Web: www.appliedphotonics.co.uk...
  • Page 2: Table Of Contents

    Attachment of the LIBSCAN 25+ head to an optical table Modular sample chambers General operating procedure Shut-down procedure Maintenance and inspection Shipping and storage Trouble-shooting / fault finding Appendices EC Declaration of Conformity © 1998 - 2018 Applied Photonics Ltd Page 2 of 23...
  • Page 3: Introduction

    (eye, skin injury) and poses a fire risk. As with all Class 4 laser products, appropriate safety precautions must be taken as identified via a suitable risk © 1998 - 2018 Applied Photonics Ltd Page 3 of 23...
  • Page 4 You should consult your Laser Safety Officer to ensure that this meets any local rules and regulations concerning the operation and use of Class 4 laser systems within your organisation. Class 4 laser interlock warning label © 1998 - 2018 Applied Photonics Ltd Page 4 of 23...
  • Page 5 CAD image of LIBSCAN 25+ head with laser safety shutter in the “closed” position. © 1998 - 2018 Applied Photonics Ltd Page 5 of 23...
  • Page 6: Note On The Laser Safety Window Material Used In The Modular Sample Chambers

    10 seconds (ie. a Q-switched laser). The laser safety windows used in Applied Photonics Ltd’s range of modular sample chambers provide adequate protection against scattered laser light of wavelength 1064 nm, 355 nm and 266 nm such that Class 1 Accessible Emission Limits are met if the sample chamber is used correctly and laser pulse energies are not excessively high (ie.
  • Page 7: Electrical

    25+ instrument and so the equipment should not be dismantled (doing so will void the warranty and expose the user to an electrical and/or laser radiation hazard). For servicing and repairs, the equipment should be returned to the manufacturer or an authorised agent. © 1998 - 2018 Applied Photonics Ltd Page 7 of 23...
  • Page 8: General Description Overview

    The control panel provides the various switches and electrical connections associated with the operation of the instrument. © 1998 - 2018 Applied Photonics Ltd Page 8 of 23...
  • Page 9: Libscan 25+ Instrument Console

    (for operation connection plastic tubing) for gas- as a Class 4 laser product) purge of sample Battery fuse 1 Battery fuse 2 Laser pulse counter (3A anti-surge) 3A anti-surge © 1998 - 2018 Applied Photonics Ltd Page 9 of 23...
  • Page 10: Libscan 25+ Head

    Electrical connection to modular sample chamber Front view of LIBSCAN 25+ head showing six-channel plasma light collection lens array, CCD camera, LED lights, laser aperture and gas purge outlet © 1998 - 2018 Applied Photonics Ltd Page 10 of 23...
  • Page 11: The Integrated Pulsed Laser

    (present as an impurity in the sample) C (193.1 nm) LIBS spectrum of graphite in argon (single-pulse mode) Continuum due to Bremsstrahlung radiation LIBS spectrum of graphite in argon (double-pulse mode) © 1998 - 2018 Applied Photonics Ltd Page 11 of 23...
  • Page 12: Laser Beam Expander And Plasma Light Collection Optics

    Brass holder containing laser beam expander lenses Laser Beam Laser Beam Threaded section Fibre-optic cable to spectrometer Adjustment range of focal plane of laser beam (approx. ±7.5 mm) Threaded section © 1998 - 2018 Applied Photonics Ltd Page 12 of 23...
  • Page 13: Imaging Camera And Associated Components

    White plastic insert – fitted to foot to protect base of LIBSCAN 25+ handle from being scratched Aluminium foot M4 fastener to secure plastic insert inside foot Removable foot assembly © 1998 - 2018 Applied Photonics Ltd Page 13 of 23...
  • Page 14: Modular Sample Chambers

    Approx. overall dimensions: 330 x 360 x 430 mm, 18 kg 360 x 430 mm, 19 kg A selection of the current range of modular sample chambers manufactured by Applied Photonics Ltd © 1998 - 2018 Applied Photonics Ltd Page 14 of 23...
  • Page 15 Adaptor for fitting LIBSCAN 25+ head to an SC-2L modular sample chamber. The adaptor is suitable for other sample chambers manufactured by Applied Photonics Ltd © 1998 - 2018 Applied Photonics Ltd Page 15 of 23...
  • Page 16: General Operating Procedure

    500 to 1000 Volts DC). Decreasing the flashlamp voltage will eventually result in the laser not firing while increasing the flashlamp voltage will eventually result in the © 1998 - 2018 Applied Photonics Ltd Page 16 of 23...
  • Page 17 IMPORTANT: The flashlamp voltage should not be adjusted from its factory setting unless there is a good reason to do so. Contact Applied Photonics Ltd for advice on this. Note 3: The BNC port labelled “LASER FIRE” provides the user with the option of remotely firing the laser as opposed to normal method of firing the laser using the switch located in the handle of the LIBSCAN 25+ head.
  • Page 18 Warning light – flashes yellow / orange when interlock override keyswitch is activated. NOTE LIBSCAN 25+ is a Class 4 laser product when this keyswich is activated Laser Interlock Override keyswitch © 1998 - 2018 Applied Photonics Ltd Page 18 of 23...
  • Page 19 A laser plasma should be produced on the surface of the sample. Laser-induced plasma on surface of metal sample © 1998 - 2018 Applied Photonics Ltd Page 19 of 23...
  • Page 20 CAD view of LIBSCAN 25+ head showing method for adjusting position of aperture nozzle. Note that the position of the aperture nozzle will have been correctly set by the manufacturer. © 1998 - 2018 Applied Photonics Ltd Page 20 of 23...
  • Page 21: Shut-Down Procedure

    (remove laser keyswitch to prevent operation of the equipment) until the fault is rectified. If in any doubt, contact the manufacturer, Applied Photonics Ltd, for further advice on maintenance and inspection of the product.
  • Page 22: Trouble-Shooting / Fault Finding

    Try cleaning the surface of the sample if loose material (eg oxide, surface contamination etc) is present. Increasing laser beam spot size on the surface of the sample may also help. © 1998 - 2018 Applied Photonics Ltd Page 22 of 23...
  • Page 23: Ec Declaration Of Conformity

    Appendix A1 EC Declaration of Conformity Declaration of Conformity Applied Photonics Ltd declares that the product listed below has been designed and manufactured in compliance with the relevant standards as follows: Product name: LIBSCAN 25+ portable LIBS instrument Model Number:...

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