AUTNF系列超窄带宽Notch Filter(光学陷波滤波器)是目前世界上投入商业生产的最窄的Notch Filter,带宽仅有10 cm-1。在拉曼光谱中,是测量低波数斯托克斯及反斯托克斯信号的有力工具。此外,由于TNF系列超窄带宽Notch Filter中的filter是由全玻璃材料制成,所以和传统的Notch Filter比较,它具有更高的损伤阈值及工作寿命。
Laser line Wavelength (nm)
FWHM (nm)
FWHM (cm-1)
Optical Density(OD)
633nm (HeNe laser)
<0.4
< 10
4
785nm (diode laser)
<0.7
1064nm (DPSS)
<1.2
Other wavelengths are available
Custom possibilities
Available spectral lines
633 to 1600 nm
Available bandwidths (FWHM)
<=0.4 nm @ 633 nm (< 10 cm-1)
Optical density
4 to 6
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 or <= 10 mm
Dimensions of box (H x W x L)
1.63’’ x 1.17’’ x 2.63’’ (4.14 cm x 2.96 cm x 6.67 cm)
Operating temperature
10 to 40°C
Storage temperature
5 to 50°C
Angle of incidence
0°
Input angular beam divergence
< 3 mrad
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