Measurement of Laser Energy, Power and Pulse Width
Energy/Power
Laser energy/powermeter GENTEC model SOLO-PE
Energies
Energy
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Used head
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Remarks
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min
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max
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||
100nJ
|
3mJ
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XLE4
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|
3mJ
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15J
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QE50SP-H-MB
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for lasers at λ= 1064nm
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12,5J
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for lasers at λ=266nm
|
||
Power
|
Used Head
|
|
min
|
max
|
|
600pW
|
5nW
|
PH100-SI
|
5nW
|
25mW
|
PH20-GE
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25nW
|
5W
|
UP12E-10S-H5
|
5W
|
200W
|
UP25N-250F-H9
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200W
|
400W
|
UP55N-400F-H9
|
Powers
Laser pulse width
Fast photodiode Thorlabs model SV2-FC
Wavelength range: 320 – 1100 nm
Fotodioda rapida SV2-FC
Detector material : Si
Detector diameter : 0.4 mm
Bandwidth (-3 dB point): ~2 GHz
Raise and fall time: <150 ps
Dark current: <0.005nA @ 20V
Oscilloscope Tektronix model DPO 7254
Input channels: 4
Osciloscop Tektronix DPO 7254
Hardware analog bandwidth (–3 dB): 2.5 GHz
Rise time 10% to 90% (typical): 150 ps
Input impedance (software selectable): 1 MΩ ±1% or 50 Ω ±1%
Input sensitivity 1 MΩ: 1 mV/div lat 10 V/div, 50Ω: 1 mV/div at 1 V/div
Vertical resolution : 8 bit (>11 bit with averaging)
INDICO - LABORATORY OF CHARACTERIZATION AND DIAGNOSIS INFRASTRUCTURE BY OPTICAL AND COMPLEMENTARY METHODS
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