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EO Tech Tools Equations

Equations and corresponding legends for each of our EO Tech Tools.

Focal Length

Focal Length Calculator, equation 1
(1)
Focal Length Calculator, equation 2
(2)
Focal Length Calculator, equation 3
(3)
Focal Length Calculator, equation 4
(4)
Focal Length Calculator, equation 5
(5)
Focal Length Calculator, equation 6
(6)
Focal Length Calculator, equation 7
(7)
Focal Length Calculator, equation 8
(8)
Focal Length Calculator, equation 9
(9)
Focal Length Calculator, equation 10
(10)
Focal Length Calculator, equation 11
(11)
FOS Power of Surface 1
FIS Power of Surface 2
F Lens Power
nOS Object Space Index
nL Lens Index
nIS Image Space Index
R1 Radius of Surface 1
R2 Radius of Surface 2
CT Center Thickness
P Primary Principle Point
P' Secondary Principle Point
EFL Effective Focal Length
BFL Back Focal Length
FFL Front Focal Length
NPS Nodal Point Shift
fF Front Focal Point
fR Rear Focal Point

Gaussian Beam

Gaussian Beam Calculator, equation 1
(12)
Gaussian Beam Calculator, equation 2
(13)
Gaussian Beam Calculator, equation 3
(14)
Gaussian Beam Calculator, equation 4
(15)
Gaussian Beam Calculator, equation 5
(16)
Gaussian Beam Calculator, equation 6
(17)
? Wavelength
zR Rayleigh Range
z Axial Distance
?(z) Half Beam Diameter
?0 Beam Waist
b Confocal Parameter
?R Rayleigh Half Diameter
R(z) Radius of Curvature
? Half Angle Divergence

Koehler Illumination

Koehler Illumination Calculator, equation 1
(18)
Koehler Illumination Calculator, equation 2
(19)
Koehler Illumination Calculator, equation 3
(20)
Koehler Illumination Calculator, equation 4
(21)
Koehler Illumination Calculator, equation 5
(22)
Koehler Illumination Calculator, equation 6
(23)
Koehler Illumination Calculator, equation 7
(24)
d1 Source to Lens 1 Distance
d2 Lens 1 to Lens 2 Distance
d3 Lens 2 to Spot Diameter Distance
DL1 Diameter of Lens 1
DL2 Diameter of Lens 2
FL1 Focal Length of Lens 1
FL2 Focal Length of Lens 2
Dsource Source Diameter
Dspot Spot Diameter
NAinput Input Numerical Aperture
NAoutput Output Numerical Aperture

Laser Spot Size

Laser Spot Size Calculator, equation 1
(25)
DI Input Beam Diameter
DO Output Beam Diameter
?I Beam Divergence
L Working Distance

1951 USAF

1951 USAF Resolution Calculator, equation 1
(26)

SAG

SAG Calculator, equation 1
(27)
R Radius of Curvature
D Diameter

Simple Magnifier

Simple Magnifier Calculator, equation 1
(28)
Simple Magnifier Calculator, equation 2
(29)
MP Magnifying Power
FL Focal Length

lens radii, index of refraction, 그리고 center thickness를 알려 줌으로써 간단한 렌즈를 optical assemblies에 결합하는 작업을 쉽게 합니다.

free space 용도에서의 beam spot size를 파악하려면 Gaussian Beams Calculator를 사용하십시오.

간단한 계산기를 사용해 소스와 두 개의 렌즈를 Koehler Illumination 설정으로 구성하는 방법을 파악합니다.

Group 및 Element Numbers를 입력해 이미징 용도 설정의 밀리미터 당 라인 쌍을 기준으로 limiting resolution을 파악합니다.

간단한 이 SAG Calculator를 사용해 radius of curvature 및 diameter를 바탕으로 표면의 sag를 파악합니다. 

 
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