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Title: Resonant-Plasmon-Assisted Subwavelength Ablation by a Femtosecond Oscillator

Journal Article · · Physical Review Applied
 [1];  [2];  [3];  [1];  [4];  [4];  [3];  [3];  [3];  [5];  [6];  [7];  [8];  [9];  [1];  [4];  [10];  [3];  [1]
  1. Leibniz Univ. Hannover, Hannover (Germany). Inst. fur Quantenoptik; Centre for Quantum Engineering and Space-Time Research (QUEST), Hannover (Germany)
  2. Leibniz Univ. Hannover, Hannover (Germany). Inst. fur Quantenoptik; SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
  3. Univ. Paris-Saclay, Gif-sur-Yvette (France)
  4. Korea Advanced Inst. Science and Technology (KAIST), Daejeon (Korea, Republic of). Dept. of Mechanical Engineering
  5. Leibniz Univ. Hannover, Hannover (Germany). Inst. fur Werkstoffkunde
  6. Laser Zentrum Hannover e.V., Hannover (Germany); Hochschule Bremen City Univ. of Applied Sciences, Bremen (Germany)
  7. Univ. of Twente, Enschede (Netherlands). Laser Physics and Nonlinear Optics, MESA+Inst. for Nanotechnology
  8. Leibniz Univ. Hannover, Hannover (Germany). Inst. fur Quantenoptik; Laser-Laboratorium Gottingen e.V., Gottingen (Germany); Max-Born-Inst., Berlin (Germany)
  9. eibniz Univ. Hannover, Hannover (Germany). Inst. fur Quantenoptik; Max-Born-Inst., Berlin (Germany)
  10. Max-Born-Inst., Berlin (Germany)

Here, we experimentally demonstrate the use of subwavelength optical nanoantennas to assist a direct nanoscale ablation using the ultralow fluence of a Ti:sapphire oscillator through the excitation of surface plasmon waves. The mechanism is attributed to nonthermal transient unbonding and electrostatic ablation, which is triggered by the surface plasmon-enhanced field electron emission and acceleration in vacuum. We show that the electron-driven ablation appears for both nanoscale metallic as well as dielectric materials. While the observed surface plasmon-enhanced local ablation may limit the applications of nanostructured surfaces in extreme nonlinear nanophotonics, it, nevertheless, also provides a method for nanomachining, manipulation, and modification of nanoscale materials. Lastly, collateral thermal damage to the antenna structure can be suitably avoided, and nonlinear conversion processes can be stabilized by a dielectric overcoating of the antenna.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE; German Research Foundation (DFG); European Union (EU)
Grant/Contract Number:
AC02-76SF00515; KO 3798/4-1
OSTI ID:
1424720
Journal Information:
Physical Review Applied, Vol. 9, Issue 2; ISSN 2331-7019
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

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Cited By (1)

Omnidirectional Surface Plasmon Polaritons Concentration in 3D Metallic Structures journal May 2019

Figures / Tables (8)