Laser source with high pulse energy at 3-5 μm and 8-12 μm based on nonlinear conversion in ZnGeP2

2014 ◽  
Author(s):  
Espen Lippert ◽  
Helge Fonnum ◽  
Magnus W. Haakestad
Keyword(s):  
Pulse Energy ◽  
Laser Source ◽  
High Pulse Energy ◽  
High Pulse ◽  
Nonlinear Conversion

scholarly journals High-pulse-energy mid-infrared laser source based on optical parametric amplification in ZnGeP_2

2008 ◽  
Vol 16 (18) ◽  
pp. 14263 ◽  
Author(s):  
Magnus W. Haakestad ◽  
Gunnar Arisholm ◽  
Espen Lippert ◽  
Stephane Nicolas ◽  
Gunnar Rustad ◽  
...  
Keyword(s):  
Pulse Energy ◽  
Infrared Laser ◽  
Parametric Amplification ◽  
Laser Source ◽  
Optical Parametric Amplification ◽  
High Pulse Energy ◽  
Mid Infrared ◽  
Optical Parametric ◽  
High Pulse

scholarly journals High-pulse-energy multiphoton imaging of neurons and oligodendrocytes in deep murine brain with a fiber laser

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Michael J. Redlich ◽  
Brad Prall ◽  
Edesly Canto-Said ◽  
Yevgeniy Busarov ◽  
Lilit Shirinyan-Tuka ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Pulse Energy ◽  
Fluorescent Proteins ◽  
Average Power ◽  
Intravital Imaging ◽  
Laser Source ◽  
High Pulse Energy ◽  
Ti:Sapphire Laser ◽  
High Pulse ◽  
Murine Brain

AbstractHere we demonstrate high-pulse-energy multiphoton microscopy (MPM) for intravital imaging of neurons and oligodendrocytes in the murine brain. Pulses with an order of magnitude higher energy (~ 10 nJ) were employed from a ytterbium doped fiber laser source at a 1-MHz repetition rate, as compared to the standard 80-MHz Ti:Sapphire laser. Intravital imaging was performed on mice expressing common fluorescent proteins, including green (GFP) and yellow fluorescent proteins (YFP), and TagRFPt. One fifth of the average power could be used for superior depths of MPM imaging, as compared to the Ti:Sapphire laser: A depth of ~ 860 µm was obtained by imaging the Thy1-YFP brain in vivo with 6.5 mW, and cortical myelin as deep as 400 µm ex vivo by intrinsic third-harmonic generation using 50 mW. The substantially higher pulse energy enables novel regimes of photophysics to be exploited for microscopic imaging. The limitation from higher order phototoxicity is also discussed.

High pulse energy mid-infrared laser source

2005 ◽  
Author(s):  
Gunnar Rustad ◽  
Stephane Nicolas ◽  
Ørnulf Nordseth ◽  
Gunnar Arisholm
Keyword(s):  
Pulse Energy ◽  
Infrared Laser ◽  
Laser Source ◽  
High Pulse Energy ◽  
Mid Infrared ◽  
High Pulse

Compact High-Pulse-Energy Ultraviolet Laser Source for Ozone Lidar Measurements

2003 ◽  
Vol 42 (33) ◽  
pp. 6650 ◽  
Author(s):  
Khaled A. Elsayed ◽  
Russell J. DeYoung ◽  
Larry B. Petway ◽  
William C. Edwards ◽  
James C. Barnes ◽  
...  
Keyword(s):  
Pulse Energy ◽  
Laser Source ◽  
High Pulse Energy ◽  
Ultraviolet Laser ◽  
Lidar Measurements ◽  
High Pulse

Mode-locked thulium-doped fiber laser with a narrow bandwidth and high pulse energy

2012 ◽  
Vol 9 (8) ◽  
pp. 587-590 ◽  
Author(s):  
W Zhou ◽  
D Y Shen ◽  
Y S Wang ◽  
J Y Long ◽  
Y An
Keyword(s):  
Fiber Laser ◽  
Pulse Energy ◽  
High Pulse Energy ◽  
Narrow Bandwidth ◽  
High Pulse
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