External Seed Tapered Amplifiers (MOA(L))
The MOGLabs Optical Amplifier is a high-power extension for single-frequency external cavity diode lasers. Laser power is increased by up to 5W, while maintaining the tunability and linewidth of the injection seed laser. Replacement of the amplifier diode and alignment are easily accomplished by the end user. Options include 35 or 70dB of output isolation and 35dB on the input (wavelength dependent), and fibre coupling of input or output or both. Wavelength options extend from 650nm to 1140nm, and power from 250mW to 5000mW. Also available in the MOA larger chassis size for more input isolator options, or as a cateye laser seeded amplifier MSA
Features
- - Wavelength 650nm – 1140nm
- Output power up to 5W
- 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
Wavelength/Frequency
| Wavelength | 650m – 1140nm |
|---|---|
| Gain bandwidth | 10nm to 30nm, wavelength dependent |
| Power | 250mW, 500mW, 1W, 2W, 3W, 4W, 5W options, wavelength dependent |
| Gain | Up to 23dB (200x) |
| Seed input power | 10mW to 60mW, depending on amplifier diode |
| ASE suppression | >45dB |
Optical
| Beam diameter (1/e2) | Typically 1.8 x 3.0 mm, wavelength dependent |
|---|---|
| Beam quality | M² from 1.1 to 1.7 |
| Beam divergence | <1.5 mrad (650 – 670nm: <2.5 mrad) |
| Polarisation | Linear 100:1 |
Thermal
| TEC | ±14V 3.3A Q = 34W standard |
|---|---|
| Sensor | NTC 10kΩ |
| Cooling | Quick-fit water cooling, φ 6mm |
Electronics
| Protection | Relay, reverse diode, photodiode cutout |
|---|---|
| Indicator | Laser ON/OFF (LED) |
| Connectors | DE9 (temperature control) and DE15 (current control) |
Dimensions
| Dimensions | 290 x 95 x 93mm (LxWxH) |
|---|
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