The SLM series are single longitudinal mode, benchtop, CW, air-cooled green (532nm) lasers. Output powers lie in the 22mW - 55mW region. The linewidth is narrow and as a result, the laser has a coherence length that exceeds 50m.
Long-term amplitude stability is <2% (over 8 hours). The amplitude noise of these lasers is low, <0.2% from 10Hz to 20MHz. The beam pointing stability of these lasers is extremely good, typically <0.02mradians after warm-up.
These DPSS lasers provide excellent beam quality, single mode operation and high power stability from a compact and easy to use turnkey system. In their standard configuration, they provide constant output power without modulation. They have manual adjustment of the CW output power level. A power supply that matches the laser head is provided as standard. The laser head itself includes key switch, interlock, manual output power adjustment, and front panel indication LEDs.
The beam quality of these lasers is excellent. The laser beam is circular, TEM00 spatial mode and has an M-squared of <1.2. The polarisation of the output power lies in the range of 50-1 to 100-1 and is model dependent. A highly polarised option is available with a polarisation extinction ratio of 300-1.
These lasers are for lab use. They are also suitable for incorporation into such OEM systems where they can be maintained or replaced easily at scheduled and unscheduled service intervals. These lasers are not designed for operation in harsh temperature, humidity, or electrical environments or for exposure to high loading stress, acceleration, shock or vibration. Please note that the failure to provide adequate cooling may result in the premature failure of DPSS lasers.