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Reg D 506(c)TRL65.2–6.6Tier IOpen

Lumen Isotope Separation

Lumen Isotope Separation

Preferred equity in laser enrichment. A tenth of the energy of a centrifuge cascade, and a proliferation argument to answer.

Selective photoionisation excites one uranium isotope and not the other, which separates them in a single stage rather than the thousands of cascade stages a centrifuge plant requires. The energy saving is roughly an order of magnitude. The same property that makes it efficient, namely a small, low-signature facility, is precisely what makes non-proliferation specialists uneasy, and the licensing pathway reflects that.

Cape Fear Nuclear Campus · Wilmington, NCPre-applicationEscrow: Meridian Trust, N.A.
TRL 6 of 9, band 5.2 to 6.6, signed by Dr. Samuel Adeyemi, PhD Nuclear Engineering; ASME Section III reviewer, on Jun 18, 2026.See the evidence it rests on

$21,700,000 committed of $35,000,000

$10,850,000 released · 62% subscribed

Released to the issuerCommitted, held in escrowRemaining
Minimum
$25,000

$500 per unit

Instrument
Preferred equity
Term
None
Investors
79

Closes February 15, 2027 · 155 days remaining

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Use of proceeds

  • 45%Laser system and separation module
  • 24%Criticality safety and security infrastructure
  • 21%Licensing and safeguards program
  • 10%Team and working capital

The issuer

Laser isotope separation for high-assay enrichment, using a fraction of the energy a centrifuge cascade requires.

Legal name
Lumen Isotope Separation, Inc.
Entity
Delaware C-corporation
Jurisdiction
North Carolina
Founded
2016

  • Wei-Lin ChaoChief Technology Officer

    Tunable laser systems and selective photoionisation. Twelve years in isotope separation research.