The struggle of eye-safe laser crystals, Yb:Er:glass and Tm:YAG, is just not so much a struggle as it is a complementary relationship. Both crystals provide one of a kind rewards, and their assortment is determined by the specified application.
The significant obtain serves as the foundation for amplifying light indicators, contributing to the greater rigorous and targeted output laser beam that Yb:Er:glass is noted for.
That is significant in LIDAR methods, where laser beams are projected onto a target plus the reflected gentle is analyzed to find out the distance.
Moving on to Tm:YAG, the narrative shifts a bit. This laser crystal includes a dominant emission line inside the vicinity of two.0 µm, a range that is also considered to be eye-safe. However, it’s the unique properties connected with this specific wavelength that truly set Tm:YAG aside.
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The one.5 µm wavelength area is especially intriguing because it coincides Using the minimum h2o absorption in biological tissue. This characteristic would make Yb:Er:glass a really perfect option for biomedical purposes, exactly where it’s essential to limit potential tissue harm.
This ensures reduced danger of retinal problems, giving a safer alternate for many apps. Outside of the safety more info facet, Thulium-doped obtain media also stand out due to their high performance.
: Holmium-doped get media supply excellent effectiveness during the clinical area due to their large absorption coefficient in h2o. This allows for precise Power supply towards the target tissue, lessening the possible harm to surrounding parts.
Yb:Er:glass is usually used in distance measurements, environmental checking, and defense programs as a consequence of its large attain. Tm:YAG is suited for substantial-power apps like wind velocity measurements and atmospheric studies.
We current an stop-pumped continuous-wave intra-cavity yellow Raman laser at 590 nm with a 60 mm extensive pure crystal SrWO4 and an intra-cavity LiB3O5 frequency doubling crystal. The very best output ability…
Furthermore, this outstanding electrical power handling ability also contributes for the extensive operational daily life and reliability of Tm:YAG crystals.
Among the numerous characteristics of Yb:Er:glass is its large optical acquire. Basically, Therefore a small enter of Electricity can lead to a major output of laser mild.