Tapered Amplifier(MOA)
The MOA-L/MOA-C are compact, robust and stable tapered amplifier systems, for wavelengths from 650 to 1080nm, at power up to 4W.
Three versions are available. The full-size MOA provides all the capabilities of the MSA, including provision for single or double-stage isolators on the input and output, and free-space or fibre-coupled input and output. The MOA-L is a streamlined chassis for those not needing an isolator on the input. The MOA-C is very compact for the do-it-yourself researcher, without provision for internal isolators.
All three versions feature the same wire-cut flexure mounts used in our MSA system, for both input and output coupling lenses, to provide outstanding passive stability and simple user-replacement of the TA diode if necessary. Using carefully designed optics, MOGLabs achieves very high coupling efficiency such that the seed input power can be just a few mW, depending on wavelegth and output power.
For MOA and MOA-L, the output can be divided into two beams, one free-space and the other free-space or fibre-coupled.
Features
Wavelength 630nm – 1064nm Output power up to 3W
Optional input and output Faraday isolators
Optional input and output fibre coupling
Simple customer TA diode replacement
Stable flexure alignment
Applications
Laser cooling and trapping
Bose-Einstein condensation
Quantum optics: squeezed light
Electromagnetic transparency and slow light
Time and frequency standards
Laser spectroscopy
Physics teaching labs
Specifications MOA
| Wavelength/frequency Wavelength Gain bandwidth Power Gain Seed input power ASE suppression | 630nm ~ 1064nm 10nm to 30nm, wavelength dependent 250mW, 500mW, 1W, 2W, 3W and 4W options, wavelength dependent Up to 23dB(200x) 10mW to 30mW, depending on amplifier diode >45dB |
| Optical Beam diameter(1/e^2) Beam quality Beam divergence Polarization | Typically 1.8 x 3.0 mm, wavelength dependent M^2 from 1.1 to 1.7 <1.5 mrad (630nm ~ 670nm : < 2.5mrad) Linear 100:1 |
| Thermal TEC Sensor Cooling | ±14V 3.3A Q=34W standard NTC 10 ㏀ Quick-fit water cooling, φ6mm |
| Electronics Protection Indicator Connector | Relay, reverse diode, photodiode cutout Laser ON/OFF (LED) DE9 (temperature control) and DE15 (current control) |
| Dimensions Dimensions | 300x155x93 mm(LxWxH) |
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