ME­A­SU­RE­MENT TECH­NI­QUES

Selec­tion of me­a­su­re­ment tech­ni­ques avail­able for our re­se­arch:

Op­ti­cal spec­trosco­py for ma­te­ri­al and de­vice de­ve­lop­ment

  • Ti­me-in­te­gra­ted, time re­sol­ved (2ps time re­so­lu­ti­on) and tem­pe­ra­tu­re de­pen­dent pho­to- and elec­tro­lu­mi­nescence (4–325K)
  • Micro­pho­to­lu­mi­nescence (500nm spa­ti­al re­so­lu­ti­on)
  • Sin­gle pho­ton coun­ting
  • Po­la­riza­t­i­on-re­sol­ved spec­trosco­py using Mül­ler ma­trix ana­ly­sis
  • Ma­gne­tic field de­pen­dent spec­trosco­py up to 3.​5T
  • Raman spec­trosco­py
  • Op­ti­cal gain spec­trosco­py in pro­ces­sed and un­pro­ces­sed sam­ples (Hak­ki-Pao­li, trans­mis­si­on me­thod, va­ria­ble stri­pe length me­thod)

Op­ti­cal ima­ging and novel ima­ging sys­tems

  • Stan­dard spec­trosco­pic op­ti­cal co­he­rence to­mo­gra­phy (OCT and SOCT)
  • Di­gi­tal and pho­to­re­frac­tive ho­lo­gra­phy
  • Di­gi­tal ho­lo­gra­phic microsco­py
  • Sin­gle shot ho­lo­gra­phy
  • Pho­toa­coustics based on high-power se­mi­con­duc­tor laser di­odes
  • La­ser-scan­ning and con­fo­cal microsco­py
  • Op­ti­cal to­mo­gra­phy

Dy­na­mics of se­mi­con­duc­tor la­sers

  • Ul­tras­hort op­ti­cal pulse me­a­su­re­ments using op­ti­cal au­to­cor­re­la­ti­on
  • Dis­per­si­on and chirp me­a­su­re­ments using FROG (fre­quen­cy re­sol­ved op­ti­cal gating)
  • Pulse and dis­per­si­on shaping using evo­lu­tio­na­ry al­go­rith­ms and Spa­ti­al Light Mo­du­la­tors (SLMs)
  • Four-wa­ve mi­xing in se­mi­con­duc­tor la­sers

Tera­hertz tech­no­lo­gy

  • cw-THz-spec­trosco­py and ima­ging based on two sta­bi­li­zed se­mi­con­duc­tor la­sers
  • Ti­me­do­main THz-spec­trosco­py and ima­ging using fiber la­sers
  • Re­flec­tion and trans­mis­si­on to­mo­gra­phy and ima­ging at 300G­Hz
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