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Notch

SureBlock™ Ultra Narrow-band Notch Filters

SureBlock™ Ultra Narrow-band Notch Filters

--> SureBlock™ Ultra Narrow-band Notch Filters Coherent’s SureBlock Ultra Narrow-band Notch Filters are the ideal solution for highly selective wavelength applications like low frequency (low wavenumber) THz-Raman ® spectroscopy. With laser line attenuation of up to 99.9999% (optical density: OD4)…

SureBlock™ XLF Notch Filter Systems

SureBlock™ XLF Notch Filter Systems

--> SureBlock™ XLF Notch Filter Systems Coherent’s patented SureBlock™ XLF Notch Filter Systems enable fast, clear capture of Raman spectra in the Low-Frequency/Low Wavenumber/THz regime (~5 cm -1 to 200 cm -1, or 150 GHz to 6 THz), as well as the standard chemical fingerprint region, using only a…

PowerLocker® Wavelength Stabilization Gratings

PowerLocker® Wavelength Stabilization Gratings

--> PowerLocker® Wavelength Stabilization Gratings Coherent’s PowerLocker wavelength stabilization gratings are volume holographic gratings (VHGs, also known as Volume Bragg Gratings, or VBGs) that lock a laser diode’s emission wavelength into a narrowed optical spectrum. This increases the spectral…

Volume Holographic Grating Filters (VHG)

Volume Holographic Grating Filters (VHG)

…laser diode’s emission wavelength into a narrowed optical spectrum. SureBlock™ Ultra Narrow-band Notch Filters SureBlock™ Ultra Narrow-band Notch Filters Coherent’s SureBlock Ultra Narrow-band Notch Filters can dramatically improve the ability of any Raman system to resolve low frequency Raman…

Ultra Narrow-Band Tunable Laserline Notch Filter.pdf

Ultra Narrow-Band Tunable Laserline Notch Filter.pdf

…holographic notch filter technology capable of observing the Raman signal near the excitation wavelength (9 cm-1). The novelty of the approach is the compactness of the notch filter (same size as a standard thin film/holographic notch filter) realized by bonding individual notch filters without…

Ultra-narrow-band-Tunable-Laserline-Notch-Filter-1.pdf

Ultra-narrow-band-Tunable-Laserline-Notch-Filter-1.pdf

…holographic notch filter technology capable of observing the Raman signal near the excitation wavelength (9 cm-1). The novelty of the approach is the compactness of the notch filter (same size as a standard thin film/holographic notch filter) realized by bonding individual notch filters without…

SureBlock NotchFilter DS.pdf

SureBlock NotchFilter DS.pdf

…transmission. Ondax's
fabrication process is highly stabilized to ensure excellent
part-to-part repeatability.
2nd SureBlockTM notch lter
Camera
Sample
1st SureBlockTM notch lter
NoiseBlockTM ASE Suppressor
SureLockTM
Raman Laser
Spectrometer

SureBlock XLF-2.pdf

SureBlock XLF-2.pdf

…Raman spectroscopy · Structural studies of nanomaterials · Biomedical and solid state laser systems · Edge or wide-band notch filter replacement Ondax's SureBlockTM XLF Notch Filter System boosts the performance of single-stage Raman spectrometers to triple-stage levels, providing outstanding…

SureBlock XLF-1.pdf

SureBlock XLF-1.pdf

…Raman spectroscopy · Structural studies of nanomaterials · Biomedical and solid state laser systems · Edge or wide-band notch filter replacement Ondax's SureBlockTM XLF Notch Filter System boosts the performance of single-stage Raman spectrometers to triple-stage levels, providing outstanding…

SureBlock XLF.pdf

SureBlock XLF.pdf

…Raman spectroscopy · Structural studies of nanomaterials · Biomedical and solid state laser systems · Edge or wide-band notch filter replacement Ondax's SureBlockTM XLF Notch Filter System boosts the performance of single-stage Raman spectrometers to triple-stage levels, providing outstanding…

SPIE-DSS-2013-Manuscript-8726-19 Final 2-1.pdf

SPIE-DSS-2013-Manuscript-8726-19 Final 2-1.pdf

…grating (VHG) filter technology3,4,5 have enabled the manufacture of
exceptionally narrow bandwidth notch filters with very high throughput (Figure 2). Each VHG filter has a notch profile
that is designed to diffract only one specific wavelength matching the laser and transmit all…

THz-Raman Accessing Molecular Structure with Raman Spectroscopy for Enhanced Chemical Identification Analysis and Monitoring.pdf

THz-Raman Accessing Molecular Structure with Raman Spectroscopy for Enhanced Chemical Identification Analysis and Monitoring.pdf

…grating (VHG) filter technology3,4,5 have enabled the manufacture of
exceptionally narrow bandwidth notch filters with very high throughput (Figure 2). Each VHG filter has a notch profile
that is designed to diffract only one specific wavelength matching the laser and transmit all…