Retinal photocoagulation has been proven as one of the most effective treatments for disorders involving liquid leakage from blood vessels at the retinal tissue. Green lasers, and specifically diode-pumped solid state lasers (DPSSLs) involving second harmonic generation (SHG) have been the preferred option so far in laser-assisted retinal photocoagulation. This is thanks to a combination of suitable wavelength, technological maturity, high power (up to several watts), long modulation range (from tens of μs to CW operation), robustness and reliability. Such is the case of model MP-532 from Monocrom. Its architecture gathers all the mentioned features to provide up to 5W, being one of the most compact, versatile and robust lasers of its class. Additional free-beam optics or fibre-coupling are also available (Ø 50μm and NA 0.11).
Moreover, Monocrom fabricates a unique laser head for selective retinal therapy (SRT). The LQ-527 model is a pulsed DPSSL in the microsecond range with pulse energy up to 1mJ and repetition rate up to 200 Hz. Compared to regular photocoagulation techniques, the LQ-527 enables an even more precise energy delivery at the retinal pigment epithelium (RPE) cells, avoiding thermal affection to the nearby neural retina. In some way, the LQ-527 represents the next step in retinal photocoagulation technology.
MP-532 laser head
LQ-527 laser head
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