[Federal Register Volume 89, Number 209 (Tuesday, October 29, 2024)]
[Notices]
[Pages 85942-85943]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2024-25091]


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DEPARTMENT OF COMMERCE

International Trade Administration


Massachusetts Institute of Technology, et. al; Application(s) for 
Duty-Free Entry of Scientific Instruments

    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), we invite comments 
on the question of whether instruments of equivalent scientific value, 
for the purposes for which the instruments shown below are intended to 
be used, are being manufactured in the United States.
    Comments must comply with 15 CFR 301.5(a)(3) and (4) of the 
regulations and

[[Page 85943]]

be postmarked on or before November 18, 2024. Address written comments 
to Statutory Import Programs Staff, Room 41006, U.S. Department of 
Commerce, Washington, DC 20230. Please also email a copy of those 
comments to <a href="/cdn-cgi/l/email-protection#c682afa7a8a8a3e88ea7a8b5aea7b186b2b4a7a2a3e8a1a9b0"><span class="__cf_email__" data-cfemail="7c38151d12121952341d120f141d0b3c080e1d1819521b130a">[email protected]</span></a>.
    Docket Number: 24-026. Applicant: Massachusetts Institute of 
Technology, 77 Massachusetts Avenue, Cambridge, MA 02139. Instrument: 
Narrow line width laser, FL-SF-1695-0.5.-CW. Manufacturer: Shanghai 
Precilaser Technology, Co., Ltd., China. Intended Use: The instrument 
is intended to be used as a single frequency laser system at 1695 nm 
that will be used in quantum physics experiments at MIT for improved 
optical atomic clocks and precision measurement using ytterbium 
(\171\Yb). The 1695nm frequency is the Yb optical transition between 
the ground state 4f\14\6s6p \3\P<INF>0</INF> and the metastable state 
4f\13\6s\2\5d(J = 2), where J represents the total angular momentum. 
This transition allows the possibility of dual-mode optical lattice 
clocks to further reduce the uncertainty from external level shifts, as 
well as physics beyond the standard model (for example investigating a 
potential mediating particle for forces between electron and neutron). 
Justification for Duty-Free Entry: According to the applicant, there 
are no instruments of the same general category manufactured in the 
United States. Application accepted by Commissioner of Customs: August 
8, 2024.
    Docket Number: 24-027. Applicant: Massachusetts Institute of 
Technology, 77 Massachusetts Avenue, Cambridge, MA 02114. Instrument: 
Low noise laser system. Manufacturer: Shanghai Precilasers Technology 
Co., Ltd., China. Intended Use: The instrument is intended to be used 
for Sodium potassium molecules confined in optical dipole traps. Sodium 
potassium molecules are fermionic molecules possessing large electric 
dipole moment. Clouds of sodium-23 and potassium-40 atoms are first 
laser-cooled into suitable ultracold temperatures and loaded into 
optical dipole traps. A two-photon Raman process using the laser system 
to be imported then binds pairs of sodium-23 and potassium-40 atoms 
into deeply bound molecules in their absolute ground state. Direct 
control of quantum states of molecules is difficult owing to the 
structural complexity of molecules. Binding molecules from laser-cooled 
and well-controlled atoms provides a more feasible alternative to 
controlling and manipulating quantum states of molecules. Justification 
for Duty-Free Entry: According to the applicant, there are no 
instruments of the same general category manufactured in the United 
States. Application accepted by Commissioner of Customs: August 27, 
2024.
    Docket Number: 24-029. Applicant: Harvard University, 1033 
Massachusetts Avenue, Cambridge, MA 02138. Instrument: Narrow Line-
width laser. Manufacturer: Shanghai Precilasers Technology Co., Ltd., 
China. Intended Use: The narrow linewidth (<2kHz), ultralow noise 
(intensity and phase), large tuning range (>1nm) seed laser at 1591 nm 
will be used as a seed to be doubled down to 795 nm. The seed laser 
will be used in a quantum physics experiment at Harvard for laser 
cooling and trapping experiments for Rubidium atoms to explore quantum 
physics research. The research work enabled by this system is part of 
the training of graduate students, undergraduate students, and 
postdoctoral research fellows. Justification for Duty-Free Entry: 
According to the applicant, there are no instruments of the same 
general category manufactured in the United States. Application 
accepted by Commissioner of Customs: August 23, 2024.
    Docket Number: 24-030. Applicant: University of Michigan, Naval 
Architecture and Marine Engineering, West Hall RM 126, 1085 S 
University Avenue, Ann Arbor, MI 48109. Instrument: Wave Generator 
System. Manufacturer: Van Halteren Technologies Boxtel BV, Netherlands. 
Intended Use: The instrument is intended to be used to study ship 
motions in water waves. Ship models in fresh water are to be 
investigated. The experiments to be conducted will involve the creation 
of model scale ocean waves. The objective is an engineering 
understanding of wave mechanics and the response of ship metrics. 
Justification for Duty-Free Entry: According to the applicant, there 
are no instruments of the same general category manufactured in the 
United States. Application accepted by Commissioner of Customs: April 
10, 2024.
    Docket Number: 24-031. Applicant: University of Chicago, 929 E 57th 
Street, GCIS ESB41, Chicago, IL 60637. Instrument: Fiber Laser. 
Manufacturer: PreciLasers, China. Intended Use: The instrument is 
intended to be used to study the Cold molecular Nuclear Time-Reversal 
Experiment (CeNTREX), a collaborative physics experiment between 
University of Massachusetts Amherst, Columbia University, Yale 
University, University of Chicago, and Argonne National Laboratory. The 
goal of the CeNTREX project is to shed light on the reasons for why 
there is more matter than antimatter in the Universe through the 
measurement of properties of the thallium-205 nucleus. Justification 
for Duty-Free Entry: According to the applicant, there are no 
instruments of the same general category manufactured in the United 
States. Application accepted by Commissioner of Customs: August 27, 
2024.
    Docket Number: 24-032. Applicant: University of California, Santa 
Barbara, 2509 Broida Hall, Santa Barbara, CA 93106-9530. Instrument: 
Low Noise Laser Amplifier. Manufacturer: Shanghai Precilaser Technology 
Co., Ltd., China. Intended Use: The instrument is intended to be used 
in a cold atom experiment at the University of California, Santa 
Barbara, for optical trapping and manipulation of cold lithium-7 atoms. 
It will be seeded by 100 nW 1064 laser and will produce 100 W output 
power. The low relative intensity noise (RIN) of this laser amplifier 
is critical, because the intensity noise contributes a lot to the 
stability of the optical traps, and the atom interferometry experiment 
is very sensitive to the noise of the optical traps. Justification for 
Duty-Free Entry: According to the applicant, there are no instruments 
of the same general category manufactured in the United States. 
Application accepted by Commissioner of Customs: September 17, 2024.
    Docket Number: 24-033. Applicant: Harvard University, 17 Oxford 
Street, Jefferson 158, Cambridge, MA 02138. Instrument: High Power 
Single Frequency Fiber Amplifier. Manufacturer: Connet Laser Technology 
Co., Ltd., China. Intended Use: The high power (30 W), single frequency 
fiber amplifier system 1908 nm will be used in a quantum physics 
experiment at Harvard for optical tweezer trapping of rubidium-87 
atoms. The available laser power will allow many more of these atoms 
(thousands) to be controlled than previously demonstrated (hundreds). 
This platform will allow the study of larger quantum systems with 
properties and fidelities far exceeding smaller systems. Justification 
for Duty-Free Entry: According to the applicant, there are no 
instruments of the same general category manufactured in the United 
States. Application accepted by Commissioner of Customs: September 18, 
2024.

    Dated: October 23, 2024.
Gregory W. Campbell,
Director, Subsidies and Economic Analysis, Enforcement and Compliance.
[FR Doc. 2024-25091 Filed 10-28-24; 8:45 am]
BILLING CODE 3510-DS-P


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