Thermal lensing effect of CS2 studied with femtosecond laser pulses

2015 ◽  
Vol 17 (38) ◽  
pp. 24738-24747 ◽  
Author(s):  
Yi-Ci Li ◽  
Yu-Ting Kuo ◽  
Po-Yuan Huang ◽  
Sidney S. Yang ◽  
Cheng-I Lee ◽  
...  

By chopping 820 nm 18 femtosecond (fs)-laser pulses into trains with both train-width and train-to-train separation considerably longer than the thermal diffusivity time constant τth of CS2, we conducted Z-scan measurements on it at various times relative to the leading pulse of each train (T's).

2009 ◽  
Vol 48 (9) ◽  
pp. 09LF06 ◽  
Author(s):  
Yi-Ci Li ◽  
Sou-Zi Kuo ◽  
Tai-Huei Wei ◽  
Jian-Neng Wang ◽  
Sidney S. Yang ◽  
...  

RSC Advances ◽  
2016 ◽  
Vol 6 (115) ◽  
pp. 114727-114737
Author(s):  
Yi-Ci Li ◽  
Yu-Ting Kuo ◽  
Po-Yuan Huang ◽  
Cheng-I. Lee ◽  
Tai-Huei Wei

Using the Z-scan technique with 82 MHz 18 femtosecond (fs) laser pulses at 820 nm, we explore the thermal lensing effect induced in pure H2O and a NaCl–H2O solution. We verify the contributions of thermal and mass diffusions in NaCl–H2O.


Author(s):  
Jaw-Luen Tang ◽  
Chen-Wei Chen ◽  
Yi-Ci Lee ◽  
Tai-Huei Wei ◽  
Chia-Ing Chiu ◽  
...  

2003 ◽  
Vol 780 ◽  
Author(s):  
R. Houbertz ◽  
J. Schulz ◽  
L. Fröhlich ◽  
G. Domann ◽  
M. Popall ◽  
...  

AbstractReal 3-D sub-νm lithography was performed with two-photon polymerization (2PP) using inorganic-organic hybrid polymer (ORMOCER®) resins. The hybrid polymers were synthesized by hydrolysis/polycondensation reactions (modified sol-gel synthesis) which allows one to tailor their material properties towards the respective applications, i.e., dielectrics, optics or passivation. Due to their photosensitive organic functionalities, ORMOCER®s can be patterned by conventional photo-lithography as well as by femtosecond laser pulses at 780 nm. This results in polymerized (solid) structures where the non-polymerized parts can be removed by conventional developers.ORMOCER® structures as small as 200 nm or even below were generated by 2PP of the resins using femtosecond laser pulses. It is demonstrated that ORMOCER®s have the potential to be used in components or devices built up by nm-scale structures such as, e.g., photonic crystals. Aspects of the materials in conjunction to the applied technology are discussed.


Author(s):  
K. H. Leong ◽  
T. Y. Plew ◽  
R. L. Maynard ◽  
A. A. Said ◽  
L. A. Walker

Author(s):  
V. Pouget ◽  
E. Faraud ◽  
K. Shao ◽  
S. Jonathas ◽  
D. Horain ◽  
...  

Abstract This paper presents the use of pulsed laser stimulation with picosecond and femtosecond laser pulses. We first discuss the resolution improvement that can be expected when using ultrashort laser pulses. Two case studies are then presented to illustrate the possibilities of the pulsed laser photoelectric stimulation in picosecond single-photon and femtosecond two-photon modes.


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