

Startup · Slovakia
AT Crystals
HQ Zilina, SlovakiaFounded 201311-50 employeesUpdated
Request an evaluation sample High-Power Laser Systems >120x120 Slab Dimensions (mm) top grade crystals enabling unprecedented active aperture.
Funding1 round · ~$1.1M
- Equity raised
- ~$1.1M
- Latest
- ~$1.1MStage undisclosed · Sep 15, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Undisclosed | ~$1.1M | — | Czech Founders VC | — | Reported |
- UndisclosedLed by Czech Founders VC~$1.1MSep 15, 2026
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Capabilities2
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Advanced manufacturing and materials | Developer | — | — | classify_sectors run 72, sonnet-pass2, taxonomy 2026-10-18b: Large-aperture YAG laser crystals for high-power laser systems, with directed energy systems listed as the first application. | Reported |
| Directed energy | Developer | — | — | classify_sectors run 72, sonnet-pass2, taxonomy 2026-10-18b: Large-aperture YAG laser crystals for high-power laser systems, with directed energy systems listed as the first application. | Reported |
- Developerclassify_sectors run 72, sonnet-pass2, taxonomy 2026-10-18b: Large-aperture YAG laser crystals for high-power laser systems, with directed energy systems listed as the first application.—Reported
- Developerclassify_sectors run 72, sonnet-pass2, taxonomy 2026-10-18b: Large-aperture YAG laser crystals for high-power laser systems, with directed energy systems listed as the first application.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People2
| Person | Role |
|---|---|
| Tomas Gregor · LinkedIn ↗ | Founder |
| Peter Macus · LinkedIn ↗ | CEO |
Sources5
Profile4
- 1CompanyATCrystals
AT Crystals · Supports Organization · description, Organization · name, Organization · website
“Request an evaluation sample High-Power Laser Systems >120x120 Slab Dimensions (mm) top grade crystals enabling unprecedented active aperture. 99.996% Material Purity controlled dopant distribution 5-7× Larger Active Medium than conventional laser-grade YAG formats Designed for system in”
- 2
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url
“employee_range: 11-50 (profile: 11)”
- 3
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "Slovakia", "hq_iso2": "SK", "id": "2726c9ae-ebb4-45ca-9af1-80d60c4be05c"}”
- 4
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · ownership
“employee_range: 11-50 (profile: 11-50 employees)”
Funding1
- 5
Crunchbase · Sep 15, 2026 · Supports Funding round, Organization · employee range, Organization · hq city, Organization · linkedin url, Role
“Czech Founders VC”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.
