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Abbé Factor
Abbe' Error
Aberration Balancing
Aberrations
Absentee Layers
Absorption
Absorptive Neutral Density Filters
Acceptance Angle
Accuracy
Achromatic Lens
Acid Resistance
Airy Disc
Alkali and Phosphate Resistance
Alkali Resistance
Aluminum Coating
Amici Prism
Amplifier
Angle of Convergence
Angle of Deflection (Deflection Angle)
Angle of Deviation (Deviation Angle)
Angles of Incidence, Reflection, & Refraction
Angular Deviation
Anodize
Antireflection Coatings (AR)
Aplanatic Lens
Arc Second
Arcuate Displacement
Arcuate Motion
Argon Fluoride Laser
Argon-Ion Laser
Argon/Krypton Laser
Aspheric Lens
Astigmatism
Astigmatism Correction Lenses
Automatic Power Control
Avalanche Photodiode (APD)
Average Power
Azimuth (Yaw)
If you can't find it here, check the
Photonics Dictionary
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