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DIABOLO – PRODUCT LINE
Single-frequency cw laser • Low noise • 532 nm • up to 1 W
APPLICATIONS
- Scientific research (optical length & frequency standards, iodine stabilization)
- Laser-based metrology (precision interferometry & spectroscopy, holography, velocimetry)
- Optical heterodyning
- General laboratory source (components testing, optical inspection)
- Nonlinear optics pump source (SHG, DFG, OPO)
GENERAL FEATURES
- All solid-state, diode-pumped system
- Monolithic cavity for ultrastable emission
- Nonplanar ring geometry for reliable single-frequency operation
- Low noise control electronics
- - Frequency & power modulation inputs
- - Safety circuitry (soft-start, interlock, temperature guard)
GENERAL SPECIFICATIONS @ 532 nm
| Operational mode | Continuous wave (cw) |
| Beam quality | TEM00 (M2 < 1.1) |
| Beam roundness | 1.1 |
| Thermal tuning coefficient [GHz/K] | -6 |
| Thermal tuning range [GHz] | 60 |
| Thermal response bandwith [Hz] |  1 |
| PZT tuning coefficient [MHz/V] |  2 |
| PZT tuning range [MHz] | ±200 |
| Emission spectrum | Single-frequency |
| Spectral linewidth [kHz/100ms] | 1 |
| Coherence length [km] | >1 |
| Frequency stability 1) [MHz/min] | 2 |
| Intensity noise, 10 Hz to 2 MHz [% rms] | < 0.1 |
1) Measured Allan Deviation at constant room temperature
SPECIFICATIONS
| Waist location (outside laser head) [mm] | 120 |
| PZT response bandwidth [kHz] | 100 2) |
| Relative intensity noise, f > 10 kHz [dB/Hz] | < -90 |
| Noise Eater option, f > 10kHz [dB/Hz] | < -125 3) |
| Modulation frequency for cavity stabilization [MHz] | 12 4) |
| Laser head size, w · h · d [mm] | 270 · 179 · 528 |
| Laser head weight [kg] | 30 |
| Control electronics | Details on request |
MODEL SPECIFICATIONS
| Diabolo, power @ 532 nm [mW] 5) | 500, 1000 |
Options: NE (Noise Eater)
2) Small signals
3) Sideband level attenuation @ 12 MHz
(modulation frequency for cavity stabilization) > 30 dB
4) Other modulation frequencies on request
5) Dual wavelength models on request
All numbers in mm