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海洋光学--微型光纤光谱仪的发明者
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Absorbing Glass Optical Filters
Ocean Optics offers three filter types.
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High-pass
Filters are transmissive approximately 50% at the nominal cutoff
wavelength, >99% at wavelengths 50 nm higher than the cutoff, and
less than 0.1% at 50 nm lower than the cutoff. High-pass filters are
used to block second orders, test for stray light, and block
excitation energy in fluorescence or Raman experiments.
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Balancing
Filters absorb energy in some regions while transmitting in
others. The BG34 filter, for example, reduces the intensity of light
at 600 nm from a tungsten halogen bulb while transmitting all of the
light at the blue and red regions, where detector sensitivity is
lower.
- Bandpass Filters transmit a
particular wavelength range while rejecting energies higher and lower
than the selected range.
High-pass Filters
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OF2-WG305 |
pass
>305 nm |
square
25.4 x 25.4 x 3 mm |
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OF2-GG375 |
pass
>375 nm |
square
25.4 x 25.4 x 3 mm |
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OF2-GG395 |
pass
>395 nm |
square
25.4 x 25.4 x 3 mm |
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OF2-GG475 |
pass >475
nm |
square 50.8 x
50.8 x 3 mm or
square 25.4 x 25.4 x 3 mm |
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OF2-OG515 |
pass >515
nm |
square 25.4 x
25.4 x 3 mm |
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OF2-OG550 |
pass >550
nm |
square 25.4 x
25.4 x 3 mm |
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Balancing Filters
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OF2-FG3 |
enhance
blue and red |
square
25.4 x 25.4 x 3 mm |
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OF2-BG34R |
enhance
blue and red |
round
12.7 mm OD |
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Bandpass Filters
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OF2-KG3 |
>325
nm and <700 nm |
square
25.4 x 25.4 x 3 mm |
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OF2-U360 |
>340
nm and <380 nm |
square
25.4 x 25.4 x 3 mm |
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OF2-RG780 |
>780
nm and 50%
transmission <2.7 ?/font>m |
square
25.4 x 25.4 x 3 mm |
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Filter Kit for use with LS-1 Light
Source
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OF2-LS |
BG-34,
GG395, OG550, Teflon diffusers |
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海洋光学 - 微型光纤光谱仪
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Contact an Ocean Optics
Applications Scientist
Optical Filters
(Installed)
FHS-UV In-line
Filter
Holder
USB-FHS Filter Holder
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