class TessarLens(optic.Optic):
"""Tessar Lens f/4.5
Milton Laikin, Lens Design, 4th ed., CRC Press, 2007, p. 63
"""
def __init__(self):
super().__init__()
# add surfaces
self.surfaces.add(index=0, radius=np.inf, thickness=np.inf)
self.surfaces.add(index=1, radius=1.3329, thickness=0.2791, material="N-SK15")
self.surfaces.add(index=2, radius=-9.9754, thickness=0.2054)
self.surfaces.add(
index=3,
radius=-2.0917,
thickness=0.09,
material=("F2", "schott"),
)
self.surfaces.add(index=4, radius=1.2123, thickness=0.0709)
self.surfaces.add(index=5, radius=np.inf, thickness=0.1534, is_stop=True)
self.surfaces.add(index=6, radius=-7.5205, thickness=0.09, material="K10")
self.surfaces.add(index=7, radius=1.3010, thickness=0.3389, material="N-SK15")
self.surfaces.add(index=8, radius=-1.5218, thickness=3.4025)
self.surfaces.add(index=9)
# add aperture
self.set_aperture(aperture_type="imageFNO", value=4.5)
# add field
self.fields.set_type(field_type="angle")
self.fields.add(y=0)
self.fields.add(y=10)
self.fields.add(y=20.5)
# add wavelength
self.wavelengths.add(value=0.48613270)
self.wavelengths.add(value=0.58756180, is_primary=True)
self.wavelengths.add(value=0.65627250)
