when did u discoover ur interests for lazers?

Question: when did u discoover ur interests for lazers?
- Keywords:
  career,
  interest,
  laser,
  work
Asked by riskay to Colin on 19 Jun 2013.
- Colin Swift answered on 19 Jun 2013:
  
  I guess I’ve always been interested in light – I’m keen on photography, My PhD which involved building a laser took my interest in optics further!

Question: when did u discoover ur interests for lazers?