Lasertex (Poland)
The laser frequency standard, whose reference frequencies are based on the vapor transition of atomic iodine isotopes, is an automatic laboratory device designed for comparison and calibration of helium-neon lasers (632.8 nm wavelength).
It is a unique laboratory device with automatic detection of absorption peaks and presentation of results on a graphical display.
| Wavelength | 633 nm |
| Frequency stability (averaging time 10 s) | < 2.5 × 10⁻¹² |
| Repeatability | 2.5 × 10⁻¹¹ |
| Stabilization method | Third harmonic method |
| Available hyperfine components | 127I₂ d, e, f, g, h, i, j, k, l, m, n, absorption 11-5 R (127) |
| Temperature near iodine cell | 15.0 ± 0.2 °C (range 11.0–19.0 °C) |
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Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)
Metrology Technology Research & Development (Taiwan)