OPA in our lab: TOPAS C 1 Optical Parametric Generation Sum - PowerPoint PPT Presentation

Jun 25, 2023 •452 likes •538 views

OPA in our lab: TOPAS C 1 Optical Parametric Generation Sum frequency generation: Parametric generation: Phase matching condition for collinear beams: By J S Lundeen at English Wikipedia - Own work by the original uploader, CC BY-SA 3.0,

OPA in our lab: TOPAS C 1
Optical Parametric Generation Sum frequency generation: Parametric generation: Phase matching condition for collinear beams: By J S Lundeen at English Wikipedia - Own work by the original uploader, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid= 36352608
Optical Parametric Generation Sum frequency generation: Parametric generation: Phase matching condition for collinear beams: • Angle tuning for phase matching • Extremely low signal and idler intensities • Type I/ Type II phase matching, depending on NLO material • IR generation and single photon creation
Optical Parametric Amplifier (OPA) w s w s w p w i
TOPAS-C
Beam input by all-mirror telescope
Complete layout 1: Input pump beam 2: PA2 pump beam 3: WLG pump beam 4: PA1 pump beam 5: White light beam 6: Signal beam
Beam paths M4 L5 M3 4 NC1 WLG RP1 L4 M5 DM1 M2 6 5 BS1 A2 BS2 3 L1 L2 TD 1 M1 A1 L3 DP1-2 DM3 M12 L6 L7 VF M6 DM2 NC2 2 M9 M10 M11 M7 M8 M14 1: Input pump beam L1, L2: decreases the beam diameter DP1, 2: Delay 2 2: PA2 pump beam : 80-90% of input beam BS2: Transmits 20% for WLG 3: WLG pump beam L3: Focus into WLG 4: PA1 pump beam M1-M2: Delay 1 for PA1 5: White light beam 6: Signal beam

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