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The effect of laser pulse length upon laser-induced forward transfer using a triazene polymer as a dynamic release layer
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Shaw-Stewart, James (2010) The effect of laser pulse length upon laser-induced forward transfer using a triazene polymer as a dynamic release layer. Journal of Optoelectronics and Advanced Materials, 12 (3). pp. 605-609.
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Abstract
Laser induced forward transfer (LIFT) is a laser direct write technique based on laser ablation. A UV-absorbing triazene polymer (TP) has been used as a sacrificial dynamic release layer (DRL) to propel other materials forward without damage. The effect of different laser pulse lengths (nanosecond and picosecond) on standard frontside TP ablation and backside TP ablation of aluminium thin films has been studied. Whilst the picosecond ablation causes the shock wave and the flyer to be faster, the ablation rate is considerably lower, suggesting an increase in ablation product energies and a decrease in loss mechanisms. The effect of beam energy homogeneity was seen to be an important factor for good flyer generation.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QC Physics | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Journal or Publication Title: | Journal of Optoelectronics and Advanced Materials | ||||||
Official Date: | March 2010 | ||||||
Dates: |
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Volume: | 12 | ||||||
Number: | 3 | ||||||
Page Range: | pp. 605-609 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Date of first compliant deposit: | 13 April 2018 | ||||||
Open Access Version: |
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