Diode Laser – Single-Emitter
Micro-optics for single-emitter diode lasers—precise collimation and controlled beam shaping for laser systems with stable output power
Single-emitter diode lasers are among the key light sources in modern laser technology and are used both directly in industrial applications and as pump sources for solid-state and fiber lasers. They combine high electro-optical efficiency with compact designs and a precisely adjustable wavelength.
Single-emitter diode lasers are characterized by a highly elliptical beam profile with significantly different divergences along the fast axis and slow axis. To achieve efficient beam guidance, high focusability, and stable system performance, precisely tuned micro-optical collimation and beam shaping are essential. In applications such as welding, soldering, surface treatment, or additive manufacturing, single-emitter diode lasers thus serve as an efficient and precise energy source.
Optical Requirements for Single-Emitter Diode Lasers
The raw emission profile of single-emitter diodes is typically asymmetric and multimodal and therefore deviates from an ideal Gaussian beam. Through the targeted use of micro-optics (e.g., FAC/SAC collimators), the laser beam becomes technically usable: The beam geometry remains elliptical, and the intensity distribution exhibits an elliptical top-hat (FAC) or a multimodal profile (SAC), while the divergence is significantly reduced. With additional optics (e.g., beam shaping, fiber coupling), a nearly circular, homogenized beam can be generated.
The asymmetric beam profile requires precise FAC/SAC collimation to ensure a uniform, application-optimized beam distribution.
High power densities require thermally stable optics (geometry, substrate, coatings) with high LIDT resistance.
Precise FAC/SAC collimation and targeted beam shaping are critical for coupling efficiency, focusability, and reliable downstream processing.
Industrial applications require optical parameters that remain stable under temperature fluctuations and continuous operation, and are reproducible in volume production.
OUR SOLUTION
Precision Micro-Optics from INGENERIC for Single-Emitter Diode Lasers
High-precision micro-optics are essential for single-emitter diode lasers to reach their full performance potential. INGENERIC’s FAC/SAC collimation optics specifically compensate for the highly divergent emission behavior and enable controlled collimation as well as efficient beam shaping with high coupling and system efficiency.
Optimized beam shaping for high focusability and maximum system efficiency
Precise FAC/SAC collimation with sub-micron form accuracy
Low optical losses due to high surface quality and precise geometries
Thermally and mechanically stable optics for continuous operation
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INGENERIC – Your Partner for Precision Optical Solutions
Do you have suggestions, specific requirements, or a concrete enquiry? We can help you select the right micro-optics for your application—from standard components to customised solutions. Please feel free to contact us for personal advice or an individual quotation.
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