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MEPHISTO MOPA – PRODUCT LINE
Single-frequency cw laser • High power • Low noise • 1064 nm • up to 18 W
APPLICATIONS
- Scientific research (laser cooling and trapping of atoms)
- Nonlinear optics pump source (SHG, DFG, OPO)
- Laser-based metrology (precision interferometry, LIDAR applications)
GENERAL FEATURES
- Master oscillator power amplifier (MOPA) system
- Nonplanar ring laser (Mephisto master oscillator) for reliable single-frequency operation
- All solid-state, diode-pumped
- Low noise control electronics
- - Master oscillator (standard Mephisto control electronics
- - Power amplifer control electronics
- - Safety circuitry (soft-start, interlock, temperature guard)
OPTICAL SPECIFICATIONS @ 1064 nm
| Operational mode 1) | Continuous wave (cw) |
| continuous wave (cw) | 1064 |
| Output power, model dependent [W] | 5, 10, 15, 18 |
| Polarisation | Linear (> 100:1) |
| Beam quality | TEM00 (M2 < 1.1) |
| Beam roundness | < 1.1 |
| Thermal tuning coefficient [GHz/K] | -3 |
| Thermal tuning range [GHz] | 30 |
| Thermal response bandwith [Hz] |  1 |
| PZT tuning coefficient [MHz/V] |  1 |
| PZT tuning range [MHz] | ±100 |
| PZT response bandwith [kHz] | 100 |
| Emission spectrum | Single-frequency |
| Frequency stability 2) [MHz/min] | 1 |
| Relative intensity noise (RIN), f > 20 kHz [dB/Hz] | < -90 |
| RIN with Noise Eater option, f > 20 kHz [dB/Hz] | < -130 |
| Intensity noise, 10Hz to 2 MHz [% rms] | < 0.2 |
1) Pulsed versions on request
2) Measured Allan Deviation at constant room temperature
Specifications for other wavelenghts on request.
3) Arbitary units
SPECIFICATIONS
| Laser head size, w · h · d [mm] | 381 · 118 · 391 |
| Laser head weight [kg] | 24,5 |
| Laser head cooling requirements | Water-cooling 4) |
| Flow rate [I/h] | ≥ 75 |
| Water pressure [bar] | 1–3 |
| Water temperature [°C] | 18–25 5) |
| Laser power variation with water temperature [%/K] | -0.5 |
| Control electronics | Details on request |
4) Non-deionized water recommended. Water chiller not included in delivery
5) Above dew point required to avoid condensing
OPTIONS AND ACCESSORIES
| Noise Eater |
| Extented Tuning Range (ETR) 6) |
| Phase locked loop (PLL) controller 7) |
| Electrooptical modulator |
6) Details on request
7) Details in separate Laser Accessories data sheet
All numbers in mm