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Bandpass Filters
UV-VIS-NIR- Infrared
- Surplus
- Neutral Density Filters
- Heat Control Filters
- Astronomy Filters
- Dichroic Filters
- Edge Filters
- VIS-NIR
- Infrared
- Accessories
- Filter Wheels
- Temperature Controllers
- Specialized Coatings
- Spectrophometer Calibration Filters
- Filter Glass
- Optical Fabrication and Polishing
- Epoxy
- Surplus Equipment
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Filter Type 4 This is also known as a four-cavity filter. It is characterized by very steep sideband slopes and a square but wavy peak. |
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