The exam is planned to be offered in English, Traditional Chinese and Portuguese from February 2027. The Official Handbook (Basic Level) is now available on Amazon in English, Portuguese and Traditional Chinese (e-book); the Advanced Level is planned in Japanese for mid-December 2026.
Home / List of Sensor Manufacturers / Laser Interferometers (Length Measurement)
Sensor Makers / List of Sensor Manufacturers
Manufacturers of Laser Interferometers (Length Measurement)
A laser interferometer (for length measurement) uses the interference of laser light, with the wavelength of light as its scale, to measure travel and length. It is used to calibrate the positioning of machine tools and measuring machines and for precise length measurement.
- Companies listed
- 9 companies (Japan and overseas)
- How it works
- Official Handbook, Lesson 29
- Relation to the exam
- Covered by the Practical Sensor Certification exam
Japan1 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| 株式会社東京精密（ACCRETECH） | Japan | DISTAX | Laser interferometer |
Asia1 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| Beijing Leice Technology（北京镭测科技） | China | LH1000、LH3000、LY1000、LCU20 | Laser interferometer |
Europe5 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| attocube systems | Germany | IDS3010 | Laser interferometer |
| Hexagon AB | Sweden | LASERTRACER-NG、Absolute Multiline | Laser interferometer |
| Lasertex | Poland | HPI-3D、LS10F | Laser interferometer |
| SIOS Meßtechnik | Germany | SP 5000、SP 15000 | Laser interferometer |
| SmarAct | Germany | PICOSCALE | Laser interferometer |
The Americas2 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| Keysight Technologies | United States | Laser Interferometer Position Measurement Systems、5530 | Laser interferometer |
| Zygo | United States | ZMI | Laser interferometer |
Listing criteria
- Candidates are gathered widely, in Japan and overseas, from publicly available information such as trade show exhibitor information, information published by industry associations and product information websites. Of these, we list only manufacturers whose relevant products we were able to confirm on their official websites (trading companies and distributors are excluded).
- This list does not cover all manufacturers. To request a listing or a correction, please use the listing request and correction form.
- Within each region, companies are listed in no particular order; the order does not indicate any evaluation or recommendation.
- The list covers products built into production lines and equipment; it does not include dedicated measuring machines used in measurement rooms and the like, or hand-held measuring tools.
- Information checked on: October 14, 2026
- Company names and product names listed are trademarks or registered trademarks of the respective companies.