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Ultra Narrow band Notch Filters

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

…and represents a dramatic shift in the economics, efficiency, and ease of use of Raman spectroscopy. The unique ultra narrow-band design of our patented SureBlock Notch Filters also delivers exceptionally high throughput of both Stokes and anti-Stokes shifts up to >5000 cm -1 (>150 THz). This…

Volume Holographic Grating Filters (VHG)

Volume Holographic Grating Filters (VHG)

…ranges by locking a 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…

PowerLocker® Wavelength Stabilization Gratings

PowerLocker® Wavelength Stabilization Gratings

…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 brightness and delivers highly stabilized optical performance over extended temperature ranges.…

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…

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…

04 NoiseBlock ASE Supression Filters.pdf

04 NoiseBlock ASE Supression Filters.pdf

…while transmitting 90% of the single frequency line (see graph on next page).
The filter's narrow spectral profile (HWHM <10cm-1) is designed to
match the SureBlockTM ultra-narrow-band notch filter, making it ideal
for enabling ultra-low frequency Raman spectroscopy with high

SureBlock NotchFilter DS.pdf

SureBlock NotchFilter DS.pdf

www.ondax.com
Ultra Narrow-band Notch Filters
Features:
· Ultra narrow rejection bandwidth
· Highly repeatable performance
· Environmentally stable at high temperature
and humidity
· No degradation over time, even under high
power illumination conditions

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

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


Recent advances in volume holographic 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…

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


Recent advances in volume holographic 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…

THz-Raman - Advancing Efficiency and Reliability in Pharmaceutical Analysis and Quality Control.pdf

THz-Raman - Advancing Efficiency and Reliability in Pharmaceutical Analysis and Quality Control.pdf

…capture anti-Stokes signals.
Recent advances in volume holographic grating (VHG) filter technology have enabled the manufacture of
these exceptionally narrow bandwidth notch filters with very high throughputvii. This has led to systems that
are capable of rapid acquisition…