What is so revolutionary about KLASTECH´s DPSS laser technology?
KLASTECH takes a whole new approach to the problems associated with increasing the second harmonic conversion efficiencies for Diode Pumped Solid State (DPSS) lasers. In a traditional architecture the non-linear crystal which is the component that converts the frequency, is placed inside the same cavity as the laser gain medium which generates the fundamental wavelength. This results in a natural mismatch between the requirements to generate maximum fundamental wavelength light for conversion whilst at the same time maximising the second harmonic conversion efficiency in order to generate the required wavelength of light. This can be thought of as an impedance mismatch and is particularly acute since the second harmonic generating (SHG) crystal is non-linear in its response to the flux density of the light impinging on it and indeed requires that a maximum value of fundamental wavelength light power be encountered in order for SHG to occur in an efficient way. Rather than try and solve
