ANSOFT FILTER DESIGN https://blog.dnevnik.hr/ansoft-filter-design
utorak, 07.02.2012.
INFRARED OPTICAL FILTER - INFRARED OPTICAL
Infrared Optical Filter - Shower Filter
Infrared Optical Filter
- Optical filters, generally, belong to one of two categories. The simplest, physically, is the absorptive filter, while the latter category, that of interference or dichroic filters, can be quite complex.
- (Optical Filters) Additives which selectively absorb, reflect, or transmit a certain area of the solar energy spectrum, thus enabling manipulation of that radiation in a desired way.
- (Optical Filters) These filters selectively allow for different frequency light to pass through.
- the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared"
- (of equipment or techniques) Using or concerned with this radiation
- having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; "infrared radiation"; "infrared photography"
- 'Infrared (IR)' light is electromagnetic radiation with a wavelength between 0.7 and 300 micrometres, which equates to a frequency range between approximately 1 and 430 THz.
- (of electromagnetic radiation) Having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects
Infrared - Winter Wind in Cocos Palm
Following the demise of my trusty but troubled S5600, I manage to get a Finepix S5800 at an excellent ebay price. Once modded with a piece of optical glass in place of the hot-mirror, I took this pic as the first test shot. FUJI S5800, f=5.0, exp 1/60, iso=100 and a 680nm filter...and of course a little channel swapping with Photoshop. The 680nm filter seems to leave enough residual colour to allow a little tweaking.
through a cokin ir filter as the strobe fired into it.
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ANSOFT FILTER DESIGN
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