NDLI: Ultrafast nanometric electron sources: current status, first applications, and suitable laser sources

Content Provider	IEEE Xplore Digital Library
Author	Hommelhoff, P. Schenk, M. Hoffrogge, J. Kruger, M. Najafi, F.
Copyright Year	2009
Description	Author affiliation: Ultrafast Quantum Optics Group, Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, D 85748 Garching, Germany (Hommelhoff, P.; Schenk, M.; Hoffrogge, J.; Kruger, M.; Najafi, F.)
Abstract	Laser pulses of a femtosecond oscillator focused on a sharp metal tip allow the generation of a pulse train of electrons at the oscillator repetition rate [1–4]. The emission of electrons from the tip takes place on the femtosecond time scale. With the advent of these novel ultrafast electron sources, important experiments have been and more will be performed ([5], see [6] for an overview). We report on the status of our current experiment aiming at a deeper understanding of the emission process by analyzing the energy of the electrons emitted. We will further discuss first experimental steps towards direct laser acceleration of low energy electrons by means of a transparent double-grating structure. This structure imposes boundary conditions that allow a net momentum transfer from the laser beam onto the electrons that travel through the structure [7, 8]. Our simulations show that electrons can be accelerated from zero kinetic energy with laser light only (Fig. 1, 2). The acceleration gradient exceeds that of maximum DC acceleration (∼6 MeV/m) even in the very low energy regime. In order to maintain phase synchronicity, a self-referenced driving laser is mandatory. We will give a progress report.
Starting Page	1
Ending Page	1
File Size	230474
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5192072
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electron beams Pulse amplifiers Free electron lasers Electron emission Electron sources Acceleration Ultrafast optics Laser applications Optical pulse generation Optical pulses
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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