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Detector Selection Guide
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Power Measurements
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| Mode |
Repetition Rate |
Power Level |
Power Meter |
Detector Family |
FO Adaptor |
Page |
| CW |
N/A |
11fW–2W(2) |
840-C, 842-PE,
1916-C, 1918-C,
1931-C, 1935-C,
2931-C, 2935-C |
818/918D Series |
FC, ST,SC, & Bare Fiber |
Low-Power Detectors |
| N/A |
100pW–0.2W |
818-IS/918D-IS Series |
FC, ST,SC, & Bare Fiber |
Universal Fiber Optic Detector |
| N/A |
15pW–20W+(4) |
819M Series |
FC, ST, SMA |
Integrating Spheres |
| N/A |
1mW–400W |
842-PE, 1916-C,
1918-C, 1935-C, 2935-C |
818P Series |
FC, SC, SMA |
High-Power Detectors |
| Pulsed |
>10 Hz |
1mW–400W (<0.6 J/cm2) |
842-PE, 1916-C,
1918-C, 1935-C, 2935-C |
818P Series |
FC, SC, SMA |
High-Power Detectors |
| >100 Hz(1) |
1pW–2W(2) (<1 mJ/cm2) |
840-C, 842-PE, 1916-C,
1931-C, 1935-C,
2931-C, 2935-C |
818/918D |
FC, ST,SC, & Bare Fiber |
Low-Power Detectors |
| 100pW–0.2W (>1 mJ) |
818-IS/918D-IS Series |
FC, ST,SC, & Bare Fiber |
Universal Fiber Optic Detector |
| 15pW–20W+(4) |
819M Series |
FC, ST, SMA |
Integrating Spheres |
| Peak-to-Peak |
<200 kHz(1) |
11fW–2W(2) |
840-C, 842-PE, 1918-C,
1931-C, 2931-C,
1935-C, 2935-C |
818/918D Series |
FC, ST,SC, & Bare Fiber |
Low-Power Detectors |
| 100pW–0.2W |
818-IS/918D-IS Series |
FC, ST,SC, & Bare Fiber |
Universal Fiber Optic Detector |
| 15pW–20W+(4) |
819M Series |
FC, ST, SMA |
Integrating Spheres |
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Energy Measurements
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| Mode |
Repetition Rate |
Energy Level |
Power Meter |
Detector Family |
FO Adaptor |
Page |
Energy
per Pulse |
Single pulse–6000 Hz(1) |
>20 µJ |
842-PE, 1918-C, 1935-C, 2935-C |
818E Series |
None |
Energy Detectors |
| >10 Hz |
<5 J/cm2(>1mW avg.) |
842-PE, 1918-C, 1935-C, 2935-C |
818P Series(5) |
FC, SC, SMA |
High-Power Detectors |
| >100 Hz(1) |
<1 µJ/cm2 (1pW–2W(2)) |
840-C, 842-PE, 1916-C, 1918-C,
1931-C, 1935-C, 2931-C, 2935-C |
818/918D(5) |
FC, ST, SC, & Bare Fiber |
Low-Power Detectors |
| <100 mJ (100pW–0.2W) |
818-IS-1(5) |
FC, ST, SC, & Bare Fiber |
Universal Fiber Optic Detector |
| 15pW–20W+(4) |
819M Series(5) |
FC, ST, SMA |
Integrating Spheres |
Integrated
(power x time) |
>10 Hz |
<5 J/cm2(>1mW avg.) |
842-PE, 1918-C, 1935-C, 2935-C |
818P Series |
FC, SC, SMA |
High-Power Detectors |
| >100 Hz(1) |
1pW–0.2W(2) |
818/918D |
FC, ST,SC, & Bare Fiber |
Low-Power Detectors |
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1) Power meter dependent. Minimum 1% duty cycle is recommended.
2) Maximum peak power density for OD3 attenuator that comes with the 818/918D Series detectors is 2W/cm2.
3) N/A
4) Upper power limit depends on several factors, e.g., sphere size, port aperture size and wavelength.
5) These detectors actually measure power, but the energy can be derived by the calculation, energy = power/(rep rate).
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Optical Meter Features
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| Optical Meter |
Display Units |
USB
Interface |
RS-232
Interface |
Analog
Output |
Color TFT
LCD Display |
USB Flash
Memory |
Math/
Statistics |
| W |
dB |
dBm |
J |
V |
A |
REL |
W/cm2 |
J/cm2 |
| 1935-C/2935-C |
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| 1931-C/2931-C |
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| 1918-C |
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| 842-PE |
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| 1916-C |
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| 840-C |
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Detector Performance Charts
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918D Series Detector
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818-IS-1
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818P Thermal Detector
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818E Energy Detector
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