
Coherent’s portfolio of ultra-narrow linewidth CW lasers provides ultimate low noise performance for both scientific and instrumentation applications. Mephisto is a family of single frequency solid-state lasers based on Nd:YAG crystal in Non-Planar Ring Oscillator (NPRO) configuration. The intrinsic stability of the laser is further improved by our acclaimed Noise Eater (NE) technology which is now included with all Mephisto variants as standard.
Mephisto product line includes:
Mephisto lasers are simple to stabilize in temperature and easy to fine-tune by using an integrated PZT. Due to the widely recognized original Mephisto design featuring a monolithic Nd:YAG NPRO crystal, this diode–pumped device is extremely compact, impervious to contamination and other degradation processes.
Excellent laser beam parameters, unmatched combination of ultra-narrow linewidth, frequency tuning, high power and extremely low noise make the Mephisto family the laser of choice for sophisticated scientific applications like atom cooling and trapping, optical metrology, quantum optics, gravitational wave studies, interferometric measurements and other applications requiring extremely narrow linewidth and ultra-stable laser beams.
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Mephisto
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Mephisto S
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Mephisto MOPA
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Prometheus
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Wavelength
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1064 nm | 1319 nm | 1064 nm | 1064 nm | 532 nm
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Power
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.5W, 1W, 2W
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.2W, .5W, .8W
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.2W, .5W
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8W, 25W, 42W, 55W
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20mW, 50mW, 100mW
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Linewidth (over 100 ms)
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~ 1 kHz
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~ 1 kHz
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kHz range
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~1 kHz
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~1 kHz
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Tuning range
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30 GHz
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30 GHz
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30 GHz
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30 GHz
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60 GHz
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Noise (RIN at f>10 kHz )
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<-140 dB/Hz
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<-140 dB/Hz
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<-120 dB/Hz
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<-130 dB/Hz
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<-135 dB/Hz
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