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21 Jun 2007
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FLASHLAMPS Lamp-pumped lasers offer bright future
Neil Ball and Matthias Stein argue that rapid improvements in performance and lifetime will ensure that lamp-pumped solid-state lasers continue to outsell diode-pumped systems.
DISK LASERS
European project targets red disk lasers
The NATAL project is developing high-power optically pumped semiconductor disk lasers emitting in the visible. Mircea Guina from the ORC at Tampere in Finland updates OLE on progress.
BACK CHAT
INSIDE VIEW: Knowing how to diversify is the key to surviving changing times
Diversifying an optics company can be crucial to its survival and success. In this month’s interview Paul Ellis, CEO of SIFAM, discusses his experiences of keeping the company afloat after the telecoms downturn.
NON-DESTRUCTIVE TESTING
Bossa Nova’s sensors suit production settings
Bossa Nova Technologies, US, is an expert in non-destructive testing equipment. Nadya Anscombe finds out how the steel and cosmetic industries are making the most of the technique.
TEMPERATURE SENSING
Ultraviolet pyrometer maps wafer temperature
GaN chip developers look set to benefit from an in situ pyrometer that can measure wafer temperatures with a precision of ±0.1 °C.
TERAHERTZ PHOTONICS
THz generation benefits from laser know-how
Finding a convenient way to generate terahertz radiation has been problematic. TOPTICA Photonics weighs up the merits of using distributed feedback diodes and femtosecond fibre lasers.
PRODUCT GUIDE
CaF2 offers unique optical properties
The rapid progress that is being made in lithography and many other areas of technology owes a lot to calcium fluoride crystals. Peter Maushake looks at the material’s optical properties.
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