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Delta Optical Thin Film A/S
Fremtidsvej 1
2970 Horsholm
Denmark
Order Sorting Filters
When the spectrum of a spectrometer covers more than one octave, the multiple orders from the grating make interpretation of the detected spectrum difficult. The solution is to insert an order sorting filter immediately before the detector.
Delta Optical Thin Film’s Continuously Variable Order Sorting Filters (CVOSFs) are the optimum choice because of the following benefits:
- High 1st order transmission and deep higher-order blocking
- Continually varying filter edge providing optimum stray light suppressing for all wavelengths
- No - or an ultra-small and thin - transition zone between blocking and non-blocking regions resulting in minimal spectral artifacts
The filters can be applied in spectrometers covering any wavelength range within 180 to 1100 nm.
Delta Optical Thin Film A/S has many years of experience with OEM manufacturing of high-performing Continuously Variable Filters tailored to customer’s specific requirements. Using advanced coating technology combined with decades of experience in filter design and manufacturing, Delta Optical Thin Film A/S can help customers identify the right filter solution for their application.
The unique combination of large batch sizes and short production time at Delta Optical Thin Film A/S allows these advanced optical filters to be manufactured in volume at very competitive prices.
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