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Development of a laser system for combining 3 laser beams

Development of a laser system for combining 3 laser beams . Aleksandar Lukić 20.02.2012. overview of optical components designing the system optimizing the system results. overview of optical components designing the system optimizing the system results. r eflecting prisms.

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Development of a laser system for combining 3 laser beams

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  1. Development of a laser system for combining 3 laser beams Aleksandar Lukić 20.02.2012

  2. overviewofopticalcomponents • designingthesystem • optimizingthesystem • results

  3. overviewofopticalcomponents • designingthesystem • optimizingthesystem • results

  4. reflectingprisms laserdiodes collimating optics

  5. overviewofopticalcomponents • designingthesystem • optimizingthesystem • results

  6. previous design astemplate

  7. previous design astemplate • +veryaccurateadjustment • +good beam profile

  8. previous design astemplate • +veryaccurateadjustment • +good beam profile • -unmanageableinternalstructure • -hugemillingeffort

  9. targets • downsizingthedimensions

  10. targets • downsizingthedimensions • reductionofusedcomponentstoavoidloss • ofoutput power andunnecessaryexpense

  11. targets • downsizing the dimensions • reduction of used components to avoid loss • of output power and unnecessary expense • easily accessible optical components in order to save time and costs during assembly

  12. symmetricalbody (laserdiodes in oneline)

  13. results +simplificationofthelayout +good beam profile

  14. results +simplificationofthelayout +good beam profile -positioningofthereflectingprismsverydifficultand sensitive -very time-consuming

  15. asymmetricalbody (laserdiodes in two planes)

  16. results + minimal numberofopticalcomponent + acceptable beam quality + time- andspace-savingassembly

  17. overviewofopticalcomponents • designingthesystem • optimizingthesystem • results

  18. compromisebetweenoutput power andaesthetics • toachievegood beam profilewithacceptable • lossof power thelaserbeamsarecut down to • 95% ofinitial power bythereflectingprisms

  19. adjustmentofthelaserdiodesoperatingcurrent • maximumoperatingcurrent 200 mA withtoleranceof 10-20% • overrunningthelimitby 20 mA increasesthe total output power upto 450 mW

  20. adjustmentofthelaserdiodesoperatingcurrent • maximumoperatingcurrent 200 mA withtoleranceof 10-20% • overrunningthelimitby 20 mA increasesthe total output power upto 450 mW • onlypossiblewithadequatecoolingsystem

  21. overviewofopticalcomponents • designingthesystem • optimizingthesystem • results

  22. suitbleforseriesproduction

  23. suitbleforseriesproduction • cost-optimizedassembly

  24. suitbleforseriesproduction • cost-optimizedassembly • collateraldevelopment • of an appropriatelaserdriverunit

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