Compton backscattered collmated X-ray source
- Woodside, CA
- Stanford, CA
A high-intensity, inexpensive and collimated x-ray source for applications such as x-ray lithography is disclosed. An intense pulse from a high power laser, stored in a high-finesse resonator, repetitively collides nearly head-on with and Compton backscatters off a bunched electron beam, having relatively low energy and circulating in a compact storage ring. Both the laser and the electron beams are tightly focused and matched at the interaction region inside the optical resonator. The laser-electron interaction not only gives rise to x-rays at the desired wavelength, but also cools and stabilizes the electrons against intrabeam scattering and Coulomb repulsion with each other in the storage ring. This cooling provides a compact, intense bunch of electrons suitable for many applications. In particular, a sufficient amount of x-rays can be generated by this device to make it an excellent and flexible Compton backscattered x-ray (CBX) source for high throughput x-ray lithography and many other applications.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- DOE Contract Number:
- AC03-76SF00515
- Assignee:
- Board of Trustees of Leland Stanford Junior University (Palo Alto, CA)
- Patent Number(s):
- US 6035015
- OSTI ID:
- 872897
- Country of Publication:
- United States
- Language:
- English
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Compton backscattered collimated x-ray source
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backscattered
collmated
x-ray
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high-intensity
inexpensive
collimated
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lithography
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intense
pulse
power
laser
stored
high-finesse
resonator
repetitively
collides
nearly
head-on
backscatters
bunched
electron
beam
relatively
energy
circulating
compact
storage
beams
tightly
focused
matched
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optical
laser-electron
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x-rays
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cools
stabilizes
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intrabeam
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coulomb
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cooling
provides
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suitable
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sufficient
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generated
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excellent
flexible
cbx
throughput
compton backscattered
desired wavelength
x-ray lithography
sufficient amount
x-ray source
electron beam
electron beams
power laser
region inside
bunched electron
collimated x-ray
scattered x-ray
coulomb repulsion
interaction region
high-finesse resonator
intense pulse
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