Single Broad Area Emitters
Scheme
High output power is reached by pumping a large area with aperture of 50 ... 200 µm and resonator length up to 8 mm.
- Scheme of a BA laser
Applications
- Remote sensing
- Illumination
- Pumping of solid state lasers
- Measurement and control engineering
- Medical technology
- Sensors
- Material processing
Wavelength
630 nm to 1200 nm
Chip technology
- Semiconductor layers by means of MOVPE
- Contact windows by
- projection lithography
- implantation and isolating layers
- deposition of metalization
- Thinning
- Scribing, splitting, cleaving
- Facet coating and passivation with extremely long lifetimes
Assembly
- Hard, gold-tin soldered packaging
- Open heat sinks (C-Mount)
- Conduction cooled package (CCP)
- expansion matched submounts
- Additional FAC lenses (fast axis collimator) and external gratings possible
Typical data
- NIR range:
- up to 20 W cw output power depending on wavelength and geometry [Publication, pdf]
- peak power density of over 110 MWcm-2 driven by short pulse source [Publication, pdf]
- Red spectral range:
- up to 1 W output power at 635 nm
- high efficiency of 37 % at 635 nm [Publication, pdf]