Notice2025-08867
Harvard University et al.; Notice of Decision on Application for Duty-Free Entry of Scientific Instruments
Primary source
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Published
May 19, 2025
Issuing agencies
Commerce DepartmentInternational Trade Administration
Full Text
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<title>Federal Register, Volume 90 Issue 95 (Monday, May 19, 2025)</title>
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[Federal Register Volume 90, Number 95 (Monday, May 19, 2025)]
[Notices]
[Pages 21284-21285]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-08867]
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DEPARTMENT OF COMMERCE
International Trade Administration
Harvard University et al.; Notice of Decision on Application for
Duty-Free Entry of Scientific Instruments
This is a decision pursuant to section 6(c) of the Educational,
Scientific, and Cultural Materials Importation Act of 1966 (Pub. L. 89-
651, as amended by Pub. L. 106-36; 80 Stat. 897; 15 CFR part 301). On
April 11, 2025 the Department of Commerce published a notice in the
Federal Register requesting public comment on whether instruments of
equivalent scientific value, for the purposes for which the instruments
identified in the docket(s) below are intended to be used, are being
manufactured in the United States. See Application(s) for Duty-Free
Entry of Scientific Instruments 90 FR 15438, April 11, 2025 (Notice).
We received no public comments.
Comments: None received. Decision: Approved. We know of no
instrument of equivalent scientific value to the foreign instrument
described below, for such purposes as this is intended to be used, that
was being manufactured in the United States at the time of order.
Docket Number: 25-001. Applicant: Harvard University, 17 Oxford
Street. Jefferson 158, Cambridge, MA 02138. Instrument: 1847 nm Narrow
Linewidth single frequency fiber laser. Manufacturer: Shanghai
Precilaser Technology Co., Ltd., China. Intended Use: The instrument is
intended to be used to explore quantum physics experiments at Harvard
in the research laboratory in the Department of Physics. This research
work is part of the training of graduate students, undergraduate
students, and postdoctoral research fellows.
Docket Number: 25-002. Applicant: University of Colorado JILA
Department, Campus Box 440 UCB, JILA Building, Room S/175, Boulder, CO
80309. Instrument: Fiber Laser @1038.7 nm. Manufacturer: Shanghai
Precilasers Technology Co., Ltd., China. Intended Use: The instrument
will be intended to be used to lock our comb closely to the comb line
corresponding to the 148.7 nm thorium nuclear transition that is
essential to our experiment. This will allow us to observe narrower
linewidths in the experiment. The experiment is performing high-
resolution spectroscopy on the nuclear clock transition in thorium-229
doped into a CaF2 crystal.
Docket Number: 25-003. Applicant: California Institute of
Technology, 1200 E California Boulevard, Pasadena, CA 91125.
Instrument: Narrow-Linewidth Laser. Manufacturer: Shanghai Precilasers
Technology Co., Ltd., China. Intended Use: The instrument is intended
to be used for cooling of ytterbium atoms on the intercombination line
to reach temperatures lower than 50 micro-Kelvin using frequency
doubling of the high-power narrow-linewidth 1112 nm laser source. In
addition, the narrow-linewidth laser will be used for fluorescence
imaging as well as state preparation of the ytterbium atoms in one of
two desired spin states. For all of these applications, the narrow
linewidth as well as output power is crucial in terms of meeting the
experimental objectives.
Docket Number: 25-004. Applicant: University of Colorado JILA
Department, Campus Box 440 UCB, JILA Building, Room S/175, Boulder, CO
80309. Instrument: High-power, narrow linewidth fiber laser.
Manufacturer: Shanghai Precilasers Technology Co., Ltd, China. Intended
Use: The instrument is intended to be used for two applications: (1) We
want to use it as a laser source that we will double to the wavelength
of 517 nm, which will act as a novel transport system of ytterbium
atoms between ultra high vacuum chambers. (2) We want to use the laser
itself as a light source to trap ytterbium atoms--a novel alternative
to our current trapping lasers in the visible range of light. To meet
the needs of both, use cases, we require a narrow
[[Page 21285]]
fiber laser combined with a high power CW fiber laser amplifier.
Docket Number: 25-005. Applicant: University of Washington, 4300
Roosevelt Way NE, Roosevelt Commons West, Seattle, WA 98105-4718.
Instrument: Femtosecond lasers with ultrahigh power. Manufacturer:
ULTRONPHOTONICS CO., LTD., China. Intended Use: The instrument is
intended to be used to study very thin materials, just one atom thick,
called two-dimensional materials. These materials behave in very
special ways that are different from the everyday bulk materials. The
laser will also be used to study semiconductors to better understand
how they process information and energy. The ultimate goal is to
advance chip development and realize quantum computers, which can drive
breakthroughs in many areas, particularly in artificial intelligence
(AI), that can also improve energy conversion efficiency and make
electric vehicle batteries safer.
Docket Number: 25-006. Applicant: Rice University, 6100 Main
Street, MS-61, Houston, TX 77005. Instrument: Narrow linewidth laser.
Manufacturer: Shanghai Precilasers Technology, Co., Ltd., China.
Intended Use: The instrument is intended to be used for the 3.4um laser
from Precilasers to drive an electronic transition across two
metastable energy levels in the singly ionized Ytterbium ion (Yb\+\).
The Yb\+\ ion has a rich energy level structure owing to its electronic
configuration as a rare earth element. The\171\ Yb\+\ ion (isotope=171)
consists of two ground state energy levels (\2\S<INF>1/2</INF> state)
that are robust to perturbations and are, therefore, used to encode a
bit of quantum information (qubit).
Docket Number: 25-007. Applicant: University of Colorado JILA
Department, 1900 Colorado Avenue, Campus Box, 440 UCB, Boulder, CO
80309. Instrument: Integrated laser and amplification system.
Manufacturer: Shanghai Precilasers Technology Co., Ltd., China.
Intended Use: The instrument is intended to be used for a high-power,
narrow linewidth laser to operate at 1111.6 nm. The laser will be used
as a seed, and fed to a doubler to get ~3W of 556 nm light which we
will use for the trapping and cooling of Yb atoms.
Docket Number: 25-008. Applicant: Columbia University, Department
of Physics, Pupin Hall, 538 W 120 Street, New York, NY 10027.
Instrument: Difference Frequency Generation Fiber Laser, 2923 nm single
pass (FL-SF-2923-0.1-CW). Manufacturer: PreciLasers, China. Intended
Use: The instrument is intended to be used for driving the mid-infrared
optical transition in Strontium-88 atom arrays in optical tweezer
experiments. This mid-infrared transition in arrays will be used to
excite the 3P2-3D3 transition, enabling the study of quantum simulation
on the super-subradiance. The objectives are to observe the evidence of
super-subradiance in the strontium-88 arrays, which are required to
observe the lifetime longer or shorter than spontaneous decay of single
strontium-88 atom (57 kHz). The mid-infrared transition will excite
2923 nm laser and observe the lifetime of excited state via a state-
detection method.
Docket Number: 25-009. Applicant: Duke University, 324 Blackwell
Street, Chesterfield Building, 701 W Main Street, Durham, NC 27701.
Instrument: Narrow linewidth, 435 nm laser. Manufacturer: Shanghai
Precilasers Technology, Co., Ltd., China. Intended Use: The instrument
is intended to be used to investigate quantum simulations using trapped
Ytterbium ions, and the reduction of readout errors using this laser
over current readout procedures and the use of this laser for the
optical-metastable-ground qudit architecture. To employ the laser in
achieving these objectives, it will be Pound-Drever-Hall locked to an
optical cavity to stabilize its phase and then will be passed through
an optical system to deliver light to the Ytterbium ions to drive Rabi
flopping and/or induce AC Stark shifts.
Docket Number: 25-010. Applicant: Salk Institute for Biological
Studies, 10010 N Torrey Pines Road, La Jolla, CA 92037. Instrument:
Supernova-3000 miniature three-photon microscope. Manufacturer: Nanjing
Transcend Vivoscoper Bio-Technology Co., Ltd., China. Intended Use: The
instrument is intended to be used for Biological studies and its
Biophotonics Center which aims to uncover the cellular and molecular
mechanisms underlying physiology and pathology, including Alzheimer's
disease, neuropathic pain, multiple sclerosis, and spinal cord injury.
The goal is to develop new or improved treatments for these diseases.
All studies will be conducted using animal models for human diseases,
especially mice.
Dated: May 13, 2025.
Tyler O'Daniel,
Acting Director, Subsidies Enforcement, Enforcement and Compliance.
[FR Doc. 2025-08867 Filed 5-16-25; 8:45 am]
BILLING CODE 3510-DS-P
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</html>Indexed from Federal Register on May 19, 2025.
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