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Introduction. Electro-Optic systems often feature a requirement to combine a number of separate laser beams into a single beam. Most commonly, the need is to provide a multi-spectral content but the pursuit of extremely high power levels in industrial lasers and particularly in laser directed energy weapons has led to an interest in “scalable
Incoherent beam combination can be applied to end pumping a solid-state laser, where the pump light is injected along the direction of the beam rather than a transverse direction. Laser crystals made of materials such as Nd:YAG that can absorb pump radiation in both polarization directions can utilize this technique.
We develop and assemble the appropriate light sources for applications that require high output powers with simultaneously high efficiency. For example, for use as pump lasers in space applications, we focus the laser beam by means of lenses in order to couple it into an optical fiber.
The laser is pumped by polarization-combined InGaN blue diode lasers whose output power is 3.5 W. The diode pumps are collimated by an aspherical lens (f = 4.6 mm) and expanded five times by the cylindrical lens pair (f = −20 and 100 mm) along the slow axis to shape a symmetric focal spot.
A new generation of small, cost-effective, CW ultraviolet (UV) lasers allows more applications to move to UV wavelengths for increased power and precision.
1 gru 2018 · A 36-W green laser diode laser with fiber-coupled output based on TO-Can packaged emitters is designed. The green diode laser is realized by using the technologies of beam collimation, spatial beam combining, polarized beam combining, and fiber coupling.
Laser Diode Modules are the simplest commercial packaging for laser diodes. They consist of the actual diode, a photodiode for monitoring output, and the can that holds them. Unfortunately, there is no single “best” lens to focus or collimate their output.
