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Description
Returns the ith coefficient value for the specified Formula Glass.
Syntax
coef = GetFormulaGlassIthCoeff( nMat, ndex )
Parameters
coef (Double)
Value currently assigned to specified coefficient.
nMat As Long
Material identifier.
ndex As Long
Zero-based index of coefficient.
Remarks
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Formula Name
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Formula
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ExtendedSchottAndLaurent
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n2 = A0 + A1*l2 + A2*l4 + S16 Bi* l-2i
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Cauchy
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n = A0 + A1*l-2 + A2*l-4
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SellmeierGeneral
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n2 = 1 + S16 (Bi*l2) / (l2 - Ci)
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Sellmeier2
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n2 - 1 = A + (B1*l2) / (l2 -C12) + B2 / (l2 - C22)
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Sellmeier3
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n2 = A + (B*l2) / (l2 - C) + (D*l2) / (l2 - E)
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Hartmann
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n = A0 + A1 / (A2 - l)1.2
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Herzberger
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n = A + B*L + C*L2 + D*l2 + E*l4 + F*l6 ; L = (l2 - 0.028) -1
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Conrady
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n = n0 + A / l + B / l3.5
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HandbookOfOptics1
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n2 = A + B / (l2 - C) - D*l2
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HandbookOfOptics2
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n2 = A + (B*l2) / (l2 - C) - D*l2
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ExtendedSchottAndLaurent2
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n2 = S05Aj*l2j + S110 Bi* l-2i
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Formula Name
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Coefficient
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0
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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ExtendedSchottAndLaurent
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A0
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A1
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A2
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B1
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B2
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B3
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B4
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B5
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B6
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Cauchy
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A0
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A1
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A2
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SellmeierGeneral
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B1
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C1
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B2
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C2
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B3
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C3
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B4
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C4
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B5
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C5
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B6
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C6
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Sellmeier2
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A
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B1
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C1
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B2
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C2
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Sellmeier3
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A
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B
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C
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D
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E
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Hartmann
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A0
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A1
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A2
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Herzberger
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A
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B
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C
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D
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E
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F
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Conrady
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n0
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A
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B
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HandbookOfOptics1
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A
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B
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C
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D
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HandbookOfOptics2
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A
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B
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C
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D
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ExtendedSchottAndLaurent2
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A0
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A1
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A2
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A3
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A4
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A5
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B1
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B2
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B3
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B4
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B5
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B6
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B7
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B8
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B9
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B10
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See Also
AddFormulaGlassMaterial
GetFormulaGlassType
SetFormulaGlassType
GetFormulaGlassTypeName
GetFormulaGlassFormula
GetFormulaGlassNumCoeffs
GetFormulaGlassIthCoeffName
SetFormulaGlassIthCoeff
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Copyright © Photon Engineering, LLC
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