Operating signal within 12 months from two or more independent sources.
What they make
Other Electronic Component Manufacturing334419Gamdan Optics manufactures custom nonlinear optical crystals including LBO (Lithium Triborate), KGW (Potassium Gadolinium Tungstate), BBO, and KTP, along with custom doped YVO4. The company serves applications in UV and other fields requiring high laser-induced damage threshold and long lifetime performance. The text names no certifications.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ITAR registered
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Flextronics | San Jose | Computer and Peripheral Equipment Manufacturing 334119 | UNVERIFIED | 0.0 KM |
| Eagle Tech Circuits | San Jose | Semiconductor Machinery Manufacturing 333242 | LIKELY ACTIVE | 0.1 KM |
| Eagle Tech INC | San Jose | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.1 KM |
| Cirpro Technology INC | San Jose | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.2 KM |
| Plasma Systems INC | San Jose | Bare Printed Circuit Board Manufacturing 334412 | UNVERIFIED | 0.2 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | OCT 2025 | OCT 2025 |
| EPA FRS | EXISTENCE | FEB 2021 | FEB 2021 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | OCT 2025 |
| CAGE CODE | SAM GOV | OCT 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | OCT 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | OCT 2025 |
| REGISTRATION EXPIRATION | SAM GOV | OCT 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | OCT 2025 |
| WEBSITE | SAM GOV | OCT 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


