Single Longitudinal Mode / Single-Frequency Laser
Overview
Single longitudinal mode / single-frequency lasers: DPSS design with narrow linewidth (<10⁻⁵nm), long coherence length (>100m), TEM00 mode, low amplitude noise and high stability; wavelengths from 360 to 1342nm (e.g. 360, 457, 473, 532, 523.5, 526.5, 556, 561, 577, 589, 639, 656, 660, 671, 721, 1047, 1053, 1064, 1313, 1319, 1342nm); frequency-stabilised, modulated and custom wavelength options available.Description
【Overview】
Single longitudinal mode / single-frequency lasers are DPSS designs with narrow linewidth (<10⁻⁵nm), long coherence length (>100m), TEM00 mode, low amplitude noise and high stability, available at wavelengths from 360 to 1342nm.
【Key Features】
(1) Narrow linewidth <10⁻⁵nm, coherence length >100m;
(2) TEM00 mode, low amplitude noise, high stability;
(3) Standard wavelengths: 360, 457, 473, 532, 523.5, 526.5, 556, 561, 577, 589, 639, 656, 660, 671, 721, 1047, 1053, 1064, 1313, 1319, 1342nm;
(4) Frequency-stabilised: drift ±200MHz (8h), <200MHz/℃;
(5) Modulated: >1MHz, TTL/analogue;
(6) Custom wavelengths (e.g. 670.776nm, 589.159nm, 589.756nm).
【Typical Applications】
Holography, Raman spectroscopy, precision measurement, biomedicine/fluorescence, atomic excitation/absorption.
Specifications
| Wavelengths | 360, 457, 473, 532, 523.5, 526.5, 556, 561, 577, 589, 639, 656, 660, 671, 721, 1047, 1053, 1064, 1313, 1319, 1342nm |
| Linewidth | <10⁻⁵nm |
| Coherence length | >100m |
| Mode | TEM00 |
| Freq drift (8h, stabilised) | ±200MHz |
| Freq vs temperature | <200MHz/℃ |
| Modulation (modulated type) | >1MHz (TTL/analogue) |
| Customisation | custom wavelengths available |
Technical Data
单纵模激光器波长稳定性测试（532nm，标准差 7fm）
法珀标准具干涉环
532nm 相干条纹
调制型单纵模激光器调制波形