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科學儀器 Science / 物理光電 PhySical
Tunable Top Notch Filter
 
No. FR-SC-TFTN
   

TUNABLE TOP NOTCH FILTER

For those seeking tunability, we offer our Tunable Top Notch Filter. Optimized for Resonant Raman Spectroscopy using Ti:Saph lasers, it can be customized to any specific wavelength range, typically 300 nm wide.

The Tunable Top Notch Filter has a high throughput (up to 80%), with a selectivity similar to that of a triple spectrograph, but at a fraction of the price. Our Tunable Top Notch Filter is a compact, easy to align instrument with an intuitive user interface that allows easy and precise control of the blocked wavelength.

This filter is perfectly matched to our Laser Line Tunable Filter for Raman applications. The Tunable Top Notch Filter's extremely narrow bandwidth rejection has a slightly larger bandwidth than our Laser Line Tunable Filter to attenuate the excitation light in Resonant Raman Spectroscopy. The same user interface is used to simultaneously control both instruments through a single USB port.

STANDARD PRODUCTS



SPECTRAL
RANGE
BANDWIDTH
(FWHM)

(nm) (nm)
TTNF 850 715-1000 0.4
TTNF 950 800-1100 0.4

TECHNICAL SPECIFICATIONS


Spectral Window 633 to 1700 nm
Bandwidth (FWHM) 0.4 nm @ 633 nm (< 10 cm-1)
Tuning Range 300 nm @ 850 nm
Optical Density 4.0
Signal Out-of-Band Throughput Up to 80%
Damage Threshold > 100 kW/cm2 average power

> 5 GW/cm2 peak power @ 1064 nm, 8 ns
Aperture diameter ≤ 5 mm
Dimensions (L x W x H) 10" x 7.5" x 9.25"

25.4 cm x 19.1 cm x 23.5 cm
Operating Temperature  10 to 40°C
Storage Temperature 5 to 50°C
Software PHySpec included or ActiveX drivers
Computer Connection USB 2.0 (compatible 1.1)
Power Supply 100 - 240 V, 50 - 60 Hz
Input Beam Divergence < 1 mrad
Wavelength Relative Resolution 0.05 nm (FWHM = 0.3nm)




 
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