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| Thermopile Detectors, High Power 818P Series |
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 Post, post holder, and clamp sold separately.
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Very high sensitivity to power- Broadband flat spectral response from 0.19–11 µm
- NIST-traceable calibration included
- Insensitive to beam position
- 1.8 m long cable allows easy access to test systems
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| Compatible Power Meter Models |
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Product DescriptionProduct DetailSpecificationsDownloadsCatalog PDF |
Product Description
Newport’s 818P Series High Power Thermopile Detectors provide a full range of the highest quality detectors to meet most laser power measurement needs. These thermal detectors offer broadband, spectrally flat power detectors for general use. High peak power pulse damage resistance in specific UV and IR bands are also available. Maximum power ratings range from 1 to 400 Watts. Higher maximum power ratings require heatsink, fan, or water-cooled operation. Standard apertures of 12, 19, 25 and 55 mm are available. Volume absorber versions with an 18mm aperture are also available. Typical applications include measurements of CW or pulsed Ion, Nd:YAG, Ti:Sapphire, CO2, Holmium lasers, high-power laser diodes and Excimer laser measurements in the UV range.
The newly introduced 818P-001-12 themal sensor head offers the flat spectral response and the low spatial dependence of thermopile detectors, while retaining the high sensitivity of photodiodes. Users working with lasers in the µW and mW range will appreciate its lower thermal drift compared to the standard thermopile detectors. It is ideally suited for measuring pulsed laser diodes, OPA, gas lasers (HeNe, argon, etc) or any low power laser.
Each 818P thermopile detector include a DB15 connector and internal EEPROM for storing factory calibration ...
Newport’s 818P Series High Power Thermopile Detectors provide a full range of the highest quality detectors to meet most laser power measurement needs. These thermal detectors offer broadband, spectrally flat power detectors for general use. High peak power pulse damage resistance in specific UV and IR bands are also available. Maximum power ratings range from 1 to 400 Watts. Higher maximum power ratings require heatsink, fan, or water-cooled operation. Standard apertures of 12, 19, 25 and 55 mm are available. Volume absorber versions with an 18mm aperture are also available. Typical applications include measurements of CW or pulsed Ion, Nd:YAG, Ti:Sapphire, CO 2, Holmium lasers, high-power laser diodes and Excimer laser measurements in the UV range. The newly introduced 818P-001-12 themal sensor head offers the flat spectral response and the low spatial dependence of thermopile detectors, while retaining the high sensitivity of photodiodes. Users working with lasers in the µW and mW range will appreciate its lower thermal drift compared to the standard thermopile detectors. It is ideally suited for measuring pulsed laser diodes, OPA, gas lasers (HeNe, argon, etc) or any low power laser. Each 818P thermopile detector include a DB15 connector and internal EEPROM for storing factory calibration data, making them compatible with Newport's new 1936-C and 2936-C Series Optical Meters (see Optical Power/Energy Meters, High Performance ), and 1918-C (see High-Performance Hand-Held Optical Power and Energy Meter) and 842-PE Handheld Power/Energy Meter (see Portable Optical Power and Energy Meter). When using with Newport's legacy 1835-C and 2835-C Series Optical Meters, use the adaptor cable 818P-DIN (ordered separately). All 12mm aperture thermal sensor heads have a 8-32 tapped hole and all other detectors have a 1/4-20 tapped hole for post or plate mounting. Calibration of optical detectors is required annually to assure NIST traceability. Newport’s recalibration services are geared to provide fast turnaround to meet your tight schedule. 
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Ordering Information |
| Quantity |
Model |
Description |
Price |
1 Week |
818P-001-12 |
High Power Thermopile Detector, 12 mm Aperture, 1 W, Air Cooled |
$1395.00 |
Available Today |
818P-IRF1 |
IR Filter kit for 818P-001-12 Thermal Detector Head |
$345.00 |
2 Weeks |
818P-010-12 |
High Power Thermopile Detector, 12 mm Aperture, 10 W, Air Cooled |
$901.00 |
2 Weeks |
818P-020-12 |
High Power Thermopile Detector, 12 mm Aperture, 20 W, Heat Sink |
$901.00 |
3 Weeks |
818P-070-12 |
High Power Thermopile Detector, 12 mm Aperture, 70 W, Water Cooled |
$935.00 |
Available Today |
818P-015-19 |
High Power Thermopile Detector, 19 mm Aperture, 15 W, Air Cooled |
 $885.00 |
4 Weeks |
818P-030-19 |
High Power Thermopile Detector, 19 mm Aperture, 30 W, Heat Sink |
$901.00 |
2 Weeks |
818P-110-19 |
High Power Thermopile Detector, 19 mm Aperture, 110 W, Fan Cooled |
$1049.00 |
4 Weeks |
818P-150-19 |
High Power Thermopile Detector, 19 mm Aperture, 150 W, Water Cooled |
$1003.00 |
4 Weeks |
818P-040-25 |
High Power Thermopile Detector, 25 mm Aperture, 40 W, Air Cooled |
$1167.00 |
4 Weeks |
818P-100-25 |
High Power Thermopile Detector, 25 mm Aperture, 100 W, Heat Sink |
$1406.00 |
4 Weeks |
818P-250-25 |
High Power Thermopile Detector, 25 mm Aperture, 250 W, Fan Cooled |
$1468.00 |
4 Weeks |
818P-300-25 |
High Power Thermopile Detector, 25 mm Aperture, 300 W, Water Cooled |
$1309.00 |
1 Week |
818P-040-55 |
High Power Thermopile Detector, 55 mm Aperture, 40 W, Air Cooled |
$1304.00 |
Available Today |
818P-100-55 |
High Power Thermopile Detector, 55 mm Aperture, 100 W, Heat Sink |
$1520.00 |
1 Week |
818P-300-55 |
High Power Thermopile Detector, 55 mm Aperture, 300 W, Fan Cooled |
$1610.00 |
1 Week |
818P-400-55 |
High Power Thermopile Detector, 55 mm Aperture, 400 W, Water Cooled |
$1406.00 |
4 Weeks |
818P-015-18 |
High Power Thermopile Detector, 18 mm Aperture, 15 W, Air Cooled, Volume Absorber |
$1105.00 |
2 Weeks |
818P-030-18 |
High Power Thermopile Detector, 18 mm Aperture, 30 W, Heat Sink, Volume Absorber |
$1128.00 |
Available Today |
818P-015-17W |
High Power Thermopile Detector, 17mm Aperture, 15W, Stand Alone, High Avg. Power Density |
$1354.00 |
3 Weeks |
818P-030-17W |
High Power Thermopile Detector, 17mm Aperture, 30W, Heatsink, High Avg. Power Density |
$1354.00 |
Available Today |
818P-050-17W |
High Power Thermopile Detector, 17mm Aperture, 50W, Heatsink, High Power Density |
$1417.00 |
5 Weeks |
818P-040-50W |
High Power Thermopile Detector, 50mm Aperture. 40W, High Avg. Power Density |
$1925.00 |
3 Weeks |
818P-050-50W |
High Power Thermopile Detector, 50mm Aperture. 50W, Heatsink, High Avg. Power Density |
$2148.00 |
2 Weeks |
818P-FC |
FC Connector, Threaded, Stainless Steel |
$107.00 |
Available Today |
818P-SM |
SMA Connector, Threaded, Stainless Steel |
$99.00 |
4 Weeks |
818P-SC |
SC Connector, Threaded, Stainless Steel |
$99.00 |
4 Weeks |
818P-FA-12 |
1-Port Fiber Adaptor for 12 mm 818P Thermal Detector Head |
$91.00 |
1 Week |
818P-FA-19 |
1-Port Fiber Adaptor for 19 mm 818P Thermal Detector Head |
$107.00 |
4 Weeks |
818P-FA-25 |
1-Port Fiber Adaptor for 25 mm 818P Thermal Detector Head |
$107.00 |
Call For Availability |
818P-FA-3P |
3-Port Fiber Adaptor for 50mm 818P Thermal Detector Head |
$447.00 |
3 Weeks |
818P-VH |
Replacement Absorber Glass, 18H Series |
$861.00 |
3 Weeks |
818P-VM |
Replacement Absorber Glass, 18 Series |
$115.00 |
Available Today |
818P-BNC |
DB15 to BNC Adapter (for use with DVM or Scope) |
$76.00 |
Available Today |
818P-DIN |
DB15 to DIN Adaptor (for use with 1835-C or 2835-C power meters) |
$148.00 |
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Related Products |
1936-C/2936-C series is the most advanced benchtop power meter in industry (see High-Performance Hand-Held Optical Power and Energy Meter)
(Detectors sold separately)
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• For high performance portable optical meter, see Optical Power/Energy Meters, High Performance
• Consider an integrating sphere as an alternative, see Integrating Spheres, 819M Series
• For high power laser pulse measurement, see Pyroelectric Detectors, Energy 818E Series
• For laser beam analysis, see the Beam Analysis Chapter |
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