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Variable Attenuator Gradient Coating for changing the transmission/ reflection ratio with the angle, used as variable attenuator, or, with the beam position, used as - gradient output coupler - gradient attenuator - gradient pass filter - gradient interference filter |
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VA |
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Variable Attenuator Transmission can be varied continuously by changing the AOI (e.g. 0-45°) also available as - Inversely Variable Attenuator IVA |
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GOC |
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Transmission can be varied continuously by shifting a rectangular plate across the beam (right-middle-left position) |
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GP |
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Gradient Pass Coating By shifting a rectangular plate across the beam, the incoming light will be passed through (right position) or will be blocked (left position), shown as - Gradient Short Pass GSP also available as - Gradient Long Pass GLP |
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GNF |
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Gradient Notch Filter By shifting a rectangular plate across the beam, the band around |
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GIF |
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Gradient Interference filter By shifting a rectangular plate across the beam (left-right position), various wavelengths can be selected, e.g. for fast external change of multiline noble gas ion lasers |