TK+1
=v
#1
:n
lambda
:v
.00003
:s
i
:u
cm
:d
nm
:c
wavelength of light (nm, �, �m, cm)
#2
:n
freq
:v
999333333333333.3333
:s
o
:u
Hz
:d
Hz
:c
frequency (Hz)
#3
:n
E
:v
6.6216826E-19
:s
o
:u
Joule
:d
Joule
:c
energy (Joule, erg, eV, kcal/mole)
#4
:n
v
:v
33333.33333333333333
:s
o
:u
cm-1
:d
cm-1
:c
wavenumber (cm-1)
#5
:n
Tc
:v
298
:s
i
:u
K
:d
C
:c
temperature of photocathode (K, C)
#6
:n
delta
:v
4.27
:s
i
:c
gain per stage
#7
:n
V
:v
899.9376951319516982
:s
o
:u
volts
:d
volts
:c
total voltage applied (volts, KV)
#8
:n
Vd
:v
99.99307723688352203
:s
o
:u
volts
:d
volts
:c
voltage per dynode (volts, KV)
#9
:n
k
:v
9
:s
i
:c
number of dynodes (integer)
#10
:n
m
:v
471900.975630814442
:s
o
:c
multiplication factor
#11
:n
rt
:v
100
:s
i
:u
sec-1
:d
sec-1
:c
cathode thermionic emission rate (sec-1)
#12
:n
Ec
:v
3.2E-19
:s
i
:u
Joule
:d
eV
:c
cathode work function (Joule, erg, eV, kcal/mole)
#13
:n
eta
:v
1
:s
i
:c
collection efficiency (unitless)
#14
:n
Klam
:v
.2
:s
i
:c
quantum efficiency (unitless)
#15
:n
Rlam
:v
.04838649318528194028
:s
o
:u
amps/watt
:d
amps/watt
:c
radiant cathode responsivity (amps/watt)
#16
:n
Phip
:v
1510190174.322157936
:s
o
:u
sec-1
:d
sec-1
:c
photon flux on cathode (sec-1)
#17
:n
Phi
:v
9.999999999999999999E-10
:s
i
:u
watts
:d
watts
:c
radiant flux on cathode (watts, mwatts, �watts)
#18
:n
rcp
:v
302038034.8644315873
:s
o
:u
sec-1
:d
sec-1
:c
rate at which electrons emitted from cathode
#19
:n
ic
:v
4.838649318528194028E-11
:s
o
:u
amps
:d
A
:c
cathode photocurrent (amps, mA, �A, nA, pA)
#20
:n
ia
:v
.00002283363334148830196
:s
o
:u
amps
:d
A
:c
anode photocurrent  (amps, mA, �A, nA, pA)
#21
:n
Thresh
:v
.000062078274375
:s
o
:u
cm
:d
nm
:c
threshold wavelength (nm, �, �m, cm)
#22
:n
ict
:v
1.602E-17
:s
o
:u
amps
:d
amps
:c
cathode thermionic current (amps, mA, �A, nA, pA)
#23
:n
iat
:v
7.559853629605647362E-12
:s
o
:u
amps
:d
amps
:c
anode thermionic current (amps, mA, �A, nA, pA)
#24
:n
C
:v
1091286620627.77986
:s
o
:c
thermionic emission constant
#25
:n
Ac
:v
1
:s
i
:u
cm2
:d
cm2
:c
area of photocathode
#28
:n

:s
b
=u
#1
:f
cm
:m
1E7
:t
nm
#2
:f
nm
:m
10
:t
�
:c
� = option-shift-A
#3
:f
ppm
:m
1000
:t
ppb
#4
:f
ppm
:m
.00009999999999999999999
:t
%
#5
:f
ml
:m
1000
:t
�l
#6
:f
g
:m
1000000
:t
�g
:c
� = option-m
#7
:f
l
:m
1000
:t
ml
#8
:f
�m
:m
1000
:t
nm
#9
:f
erg
:m
.0000001
:t
Joule
#10
:f
eV
:m
1.6E-19
:t
Joule
#11
:f
J
:t
Joule
#12
:f
cm
:m
1E7
:t
nm
#13
:f
nm
:m
10
:t
�
#14
:f
ppm
:m
1000
:t
ppb
#15
:f
ppm
:m
.00009999999999999999999
:t
%
#16
:f
ml
:m
1000
:t
�l
#17
:f
g
:m
1000000
:t
�g
#18
:f
l
:m
1000
:t
ml
#19
:f
�m
:m
1000
:t
nm
#20
:f
m
:m
100
:t
cm
#21
:f
in
:m
2.54
:t
cm
#22
:f
cm2
:m
100
:t
mm2
#23
:f
eV
:m
23.06
:t
kcal/mole
#24
:f
cm/sec
:m
10
:t
mm/sec
#25
:f
cm
:m
1E7
:t
nm
#26
:f
nm
:m
10
:t
�
:c
� = option-shift-A
#27
:f
ppm
:m
1000
:t
ppb
#28
:f
ppm
:m
.00009999999999999999999
:t
%
#29
:f
ml
:m
1000
:t
�l
#30
:f
g
:m
1000000
:t
�g
:c
� = option-m
#31
:f
l
:m
1000
:t
ml
#32
:f
�m
:m
1000
:t
nm
#33
:f
erg
:m
.0000001
:t
Joule
#34
:f
eV
:m
1.6E-19
:t
Joule
#35
:f
J
:t
Joule
#36
:f
cm
:m
1E7
:t
nm
#37
:f
nm
:m
10
:t
�
#38
:f
ppm
:m
1000
:t
ppb
#39
:f
ppm
:m
.00009999999999999999999
:t
%
#40
:f
ml
:m
1000
:t
�l
#41
:f
g
:m
1000000
:t
�g
#42
:f
l
:m
1000
:t
ml
#43
:f
�m
:m
1000
:t
nm
#44
:f
m
:m
100
:t
cm
#45
:f
in
:m
2.54
:t
cm
#46
:f
cm2
:m
100
:t
mm2
#47
:f
eV
:m
23.06
:t
kcal/mole
#48
:f
C
:t
K
:a
273
#49
:f
amps
:t
amp
#50
:f
amps
:t
A
#51
:f
amps
:m
1000
:t
mA
#52
:f
amps
:m
1000000
:t
�A
#53
:f
amps
:m
1E9
:t
nA
#54
:f
amps
:m
1E12
:t
pA
#55
:f
watts
:t
W
#56
:f
watts
:m
1000000
:t
�watts
#57
:f
watts
:m
1000
:t
mwatts
#58
:f
volts
:t
V
#59
:f
volts
:m
.0009999999999999999999
:t
KV
#60
:f
sec-1
:t
Hz
=l
=f
=r
#1
:r
lambda = 1/v
#2
:r
E = (6.6261E-34)*freq
#3
:r
freq = (2.998E10)/lambda
#4
:r
m=delta^k                "page 111; 2nd � after 4-24
#5
:r
Vd=V/k                   "Figure 4-22
#6
:r
delta=0.17*Vd^.7         "Empirical equation
#7
:r
rcp=Klam*Phip            "4-23
#8
:r
Rlam=(Klam*1.602e-19)/E  "� after 4-28 
#9
:r
ia=eta*m*Rlam*Phi        "4-30
#10
:r
ic=rcp*1.602e-19         "4-24
#11
:r
Phip=Phi/E               "� after 4-28
#12
:r
Thresh=6.6261E-34*2.998E10/Ec   " page 110, 1st �
#13
:r
ict=rt*1.602e-19         " 4-24 for thermionic current
#14
:r
iat=m*eta*ict            " 4-29 for thermionic current
#15
:r
ict=C*Ac*Tc*Tc*exp(-Ec/(Tc*1.3805e-23))  "Page 112, 2nd �
=p
=t
#1
:v
Vertical
:s
Show
:f
1
:t
""
:u
E
=n
=g
#1
:c
.0000009999999999999999999
:i
10
:v
Yes
:a
Yes
:r
Yes
:h
No
:t
1
%Tv,f,16,4,0,1,0
%Or,f,4,1,0,1,1