Logo Ondax

Ondax manufactures optical filters with edges that are 10 times steeper than the so called razorsharp edges of the best dielectric raman filters. Ondax also integrates the volume holographic filters into diode laser in order to stabilize the wavelength narrowing the linewidth to typically <100MHz. Using these filters measurements of raman scattering can be performed enabling the precise characterization of chemical components.

Ondax’s patented THz-Raman® Spectroscopy Modules extend the range of traditional Raman spectroscopy into the terahertz/low-frequency regime, exploring the same range of energy transitions as terahertz spectroscopy – without limiting the ability to measure the fingerprint region. This region reveals a new “Structural Fingerprint” to complement the traditional “Chemical Fingerprint” of Raman, enabling simultaneous analysis of both molecular structure and chemical composition in one instrument for advanced materials characterization.


Ondax TR Spectrum






Tobias Heider
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Tel: +49-(0)89-818 90 781
Mobile: +49-(0)151-227 95 965


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