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A -- MAGNETO-OPTICAL TRAP ION SOURCE (MOTIS)

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Reference-Number-07-015Federal

Contract Overview

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AI Contract Overview

Researchers at the National Institute of Standards and Technology (NIST) are developing an innovative ion source technology known as the Magneto-Optical Trap Ion Source (MOTIS). This technology uses a magneto-optical trap to cool neutral atoms, which are then photo-ionized to produce a focused ion beam with properties closely matching those of the original atom cloud. By applying an external electric field, ions are extracted and focused using standard charged-particle optics. The laser cooling process enables exceptionally low temperatures, resulting in an ion beam capable of achieving a resolution of 10 nanometers or better. This ion source offers a significant advancement over existing technologies by providing a broad operating current range—from single ions on demand up to over 100 picoamperes—allowing for greater flexibility and precision. Additionally, the variety of elements that can be laser cooled greatly expands the potential ionic species usable in focused ion beam applications. Overall, this development combines improved beam quality with enhanced operational capabilities, positioning it as an important advancement for fields requiring precise ion beam technology.

General Info

NIST develops MOTIS, a laser-cooled ion source achieving 10nm resolution and broad current range.

Agency

Department Of Commerce Nist

NAICS

541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Place of Performance

Set-Aside

NONE

Documents

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Timeline

PostedJun 5

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Organization & Contact Information

AgencyDepartment Of Commerce Nist

ContactsNo contacts available

OfficeGAITHERSBURG, MD, 20899, USA

Organization / AgencyDepartment Of Commerce Nist

Office AddressGAITHERSBURG, MD, 20899, USA

ContactsNo contact information available

Full Description

DEVELOPMENTS AT NIST** This is NOT an announcement of a contract action or a grant. Researchers at the National Institute of Standards and Technology (NIST) are working on the following technology. For further information, contact the: National Institute of Standards and Technology, Office of Technology Partnerships, 100 Bureau Drive, Stop 2200, Gaithersburg, Maryland 20899; Fax: +1 (555) 000-0000. NIST DOCKET NUMBER: 07-015. The invention consists of a new source for creating a focused ion beam. A magneto-optical trap serves as a source of cold atoms that are photo ionized to produce the ion source. Under appropriate conditions, the resulting ion cloud has temperature and spatial characteristics similar to that of the initial neutral atom cloud. An external electric field extracts the ions which can be focused using standard charged-particle optics. The cold temperatures achieved through laser cooling yield an ion beam with excellent characteristics which should allow for a beam resolution of 10 nm or less. The current produced from this source depends on the operating parameters of the MOT and can range from single ions on demand to over 100 pA, a much wider range than is currently possible. In addition, the wide range of elements that can be laser cooled greatly extends the possibilities for ionic species that can be used in FIBs, The net result is a source that has improved characteristics as well as expanded capabilities over current technology.