Can Atmospheric Composition Change Prism Effects?

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Changes in atmospheric composition and pressure can have slight effects on the refraction of light through a prism, but these effects are generally negligible if the density remains similar to current conditions. The refractive index of air is close to that of a vacuum, meaning that variations in air composition, such as increased oxygen or altered pressure, would not significantly impact light transmission. The primary factor influencing the prism's refractive effects is its material composition rather than the surrounding atmosphere. Therefore, while some minor changes may occur, they would not be noticeable in practical applications. Overall, the composition of the prism itself is the dominant factor affecting light refraction.
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not knowing much of anything about light physics,

is it possible to change the effects of a prism (the visible light refracted) if it were in an environment with different air composition than our normal environmental composition? or even different pressure?

so instead of 14.7 psi, 21% oxygen, 78% nitrogen, et cetera, would the light transmit differently with more oxygen and higher/lesser atmospheric pressures?
 
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hxtasy said:
not knowing much of anything about light physics,

is it possible to change the effects of a prism (the visible light refracted) if it were in an environment with different air composition than our normal environmental composition? or even different pressure?

so instead of 14.7 psi, 21% oxygen, 78% nitrogen, et cetera, would the light transmit differently with more oxygen and higher/lesser atmospheric pressures?
Although there would be slight effects due to these changes, as long as the density remained anywhere near what it is now, it wouldn't be noticeable.
 
Optically, air is almost same as vacuum when compared to the prism. So it's mostly composition of the prism that will have an affect.
 

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