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New! 500 Watt Thermopile Detector, Model 818P-500-55!
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 range up to 500 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.
Each 818P thermopile detector include a DB15 connector and internal EEPROM for storing factory calibration data, making them compatible with Newport's 1936-C and 2936-C (see Optical Power and Energy Meters, High Performance, 1936-C/2936-C ), 1928-C (see Benchtop Optical Meter, 1928-C)and 1918-C (see Optical Power Meter, High-Performance Hand-Held, 1918-C) optical meters. 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 the thermopile detectors is required annually to assure NIST traceability. Newport’s recalibration services are geared to provide fast turnaround to meet your tight schedule. |
For the complete calibrated detectors compatible with Newport optical power/energy meters, please see .
Click here for a Newport/Spectra Physics Lasers Optical Detector Selection Guide for detectors compatible with Spectra Physics lasers. |
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Product Models |
| Model |
Description |
| 818P-010-12 |
818P Thermopile Detector, 12 mm Aperture, 10 W, Air Cooled |
| 818P-020-12 |
818P Thermopile Detector, 12 mm Aperture, 20 W, Heat Sink |
| 818P-070-12 |
818P Thermopile Detector, 12 mm Aperture, 70 W, Water Cooled |
| 818P-015-19 |
818P Thermopile Detector, 19 mm Aperture, 15 W, Air Cooled |
| 818P-030-19 |
818P Thermopile Detector, 19 mm Aperture, 30 W, Heat Sink |
| 818P-110-19 |
818P Thermopile Detector, 19 mm Aperture, 110 W, Fan Cooled |
| 818P-150-19 |
818P Thermopile Detector, 19 mm Aperture, 150 W, Water Cooled |
| 818P-040-25 |
818P Thermopile Detector, 25 mm Aperture, 40 W, Air Cooled |
| 818P-100-25 |
818P Thermopile Detector, 25 mm Aperture, 100 W, Heat Sink |
| 818P-250-25 |
818P Thermopile Detector, 25 mm Aperture, 250 W, Fan Cooled |
| 818P-300-25 |
818P Thermopile Detector, 25 mm Aperture, 300 W, Water Cooled |
| 818P-040-55 |
818P Thermopile Detector, 55 mm Aperture, 40 W, Air Cooled |
| 818P-100-55 |
818P Thermopile Detector, 55 mm Aperture, 100 W, Heat Sink |
| 818P-300-55 |
818P Thermopile Detector, 55 mm Aperture, 300 W, Fan Cooled |
| 818P-400-55 |
818P High Power Thermopile Detector, 55 mm Aperture, 400 W, Water Cooled |
| 818P-500-55 |
818P High Power Thermopile Detector, 55 mm Aperture, 500 W, Fan Cooled |
| 818P-015-18HP |
818P Thermopile Detector, 18mm Aperture, 15W, High Peak Power |
| 818P-030-18HP |
818P Thermopile Detector, 18mm Aperture, 30W, Heatsink, High Peak Power |
| 818P-015-17W |
818P Thermopile Detector, 17mm Aperture, 15W, Stand Alone, High Avg. Power Density |
| 818P-030-17W |
818P Thermopile Detector, 17mm Aperture, 30W, Heatsink, High Avg. Power Density |
| 818P-050-17W |
818P Thermopile Detector, 17mm Aperture, 50W, Heatsink, High Power Density |
| 818P-040-50W |
818P Thermopile Detector, 50mm Aperture. 40W, High Avg. Power Density |
| 818P-050-50W |
818P Thermopile Detector, 50mm Aperture. 50W, Heatsink, High Avg. Power Density |
| 818P-FC |
FC Connector, Threaded, Stainless Steel |
| 818P-SM |
SMA Connector, Threaded, Stainless Steel |
| 818P-SC |
SC Connector, Threaded, Stainless Steel |
| 818P-FA-12 |
1-Port Fiber Adaptor for 12 mm Thermal Detector Head |
| 818P-FA-19 |
1-Port Fiber Adaptor for 19 mm Thermal Detector Head |
| 818P-FA-25 |
1-Port Fiber Adaptor for 25 mm Thermal Detector Head |
| 818P-FA-3P |
3-Port Fiber Adaptor for 50mm Thermal Detector Head |
| 818P-BNC |
DB15 to BNC Adapter (for use with DVM or Scope) |
| 818P-DIN |
DB15 to DIN Adaptor (for use with 1835-C or 2835-C power meters) |
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818P Specifications (12 & 17 mm Aperture versions) |
| Model |
818P-010-12 |
818P-020-12 |
818P-070-12 |
818P-015-17W |
818P-030-17W |
818P-050-17W |
| Spectral Range (µm) |
0.19-11 |
0.19-10 |
| Max. Measurable Power (W) |
10 |
20 |
70 |
15 |
30 |
50 |
| Minimum Detectable Power (mW)(1) |
1 |
1 |
| Rise Time (s)(3) |
0.3 |
1.4 |
| Responsivity, Approximate (mV/W) |
0.5 |
0.7 |
| Calibration Uncertainty (%) |
±2.5 |
| Repeatability (%) |
±0.5 |
| Resolution (%) |
±0.5 |
| Beam Size Dependence (%) |
±0.7 |
±0.5 |
| Maximum Average Power (W) |
(continuous) |
10 |
20 |
70 |
15 |
30 |
50 |
| (2 minutes) |
15 |
30 |
90 |
23 |
45 |
75 |
| Power Density, Maximum Average @ 1064nm, CW |
36 kW/cm2 |
100 kW/cm2 |
| Pulse Energy Density, Maximum (J/cm2)(2) |
1.0 |
1.1 |
| Active Diameter (mm) |
12 |
17 |
| Active Area (cm2) |
1.13 |
2.27 |
| Cooling Method |
Air |
Heat Sink |
Water |
Air |
Heat Sink |
Heat Sink |
| Dimensions (L x W x D) [in. (mm)] |
1.50 x 1.50 x 0.55 (38 x 38 x 14) |
1.50 x 1.50 x 1.77 (38 x 38 x 45) |
1.50 x 1.50 x 1.77 (38 x 38 x 32) |
1.97 x 1.97 x 0.81 (50 x 50 x 20.6) |
1.97 x 1.97 x 2.22 (50 x 50 x 56.3) |
3.0 x 3.0 x 2.94 (76.2 x 76.2 x 74.7) |
| Weight [lb (kg)] |
0.29 (0.13) |
0.33 (0.15) |
0.42 (0.19) |
0.35 (0.16) |
0.46 (0.21) |
1.1 (0.48) |
| Operating Temperature |
15 to 28ºC, RH < 80% |
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1) See Tech Note 4 - Minimum Measurable Power of Power Meters
2) See online 818P manual for additional specifications.
3) Typical rise time with anticipation setting turned on.
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Click on this link Tech Note 4 - Minimum Measurable Power of Power Meters . See the Newport application notes library, under the Photonics Instrumentation and Measurement section.
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Please check out Newport's website for the application notes library at www.Newport.com.
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818P Specifications (18 & 19 mm Aperture versions) |
| Model |
818P-015-18 |
818P-030-18 |
818P-015-19 |
818P-030-19 |
818P-110-19 |
818P-150-19 |
818P-015-18HP |
818P-030-18HP |
| Spectral Range (µm) |
0.19-2.5 |
0.19-11 |
0.19-2.54 |
| Max. Measurable Power (W) |
15 |
30 |
15 |
30 |
110 |
150 |
15 |
30 |
| Minimum Detectable Power (mW)(1) |
1 |
1 |
1 |
2.5 |
| Rise Time (s)(3) |
1.8 |
0.6 |
1.5 |
0.6 |
2.5 |
| Responsivity, Approximate (mV/W) |
0.8 |
0.7 |
0.2 |
0.7 |
0.34 |
| Calibration Uncertainty (%) |
±2.5 |
±2.5 |
±2.5 |
±2.5 |
| Repeatability (%) |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Resolution (%) |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Beam Size Dependence (%) |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Maximum Average Power (W) |
(continuous) |
15 |
30 |
15 |
30 |
110 |
150 |
15 |
30 |
| (2 minutes) |
23 |
40 |
23 |
45 |
135 |
170 |
20 |
35 |
| Power Density, Maximum Average (1064 nm, CW) |
110 W/cm2 |
36 kW/cm2 and 11 kW/cm2 with CO2 lasers |
700 W/cm2 |
| Pulse Energy Density, Maximum (J/cm2) (1064nm, 7 nS, 10 Hz)(2) |
4 |
1.0 |
1.0 |
6 |
| Active Diameter (mm) |
18 |
19 |
19 |
18 |
| Active Area (cm2) |
2.54 |
2.84 |
2.84 |
2.54 |
| Cooling Method |
Air |
Heat Sink |
Air |
Heat Sink |
Fan |
Water |
Air |
Heat Sink |
| Dimensions (L x W x D) [in. (mm)] |
1.97 x 1.97 x 0.81 (50 x 50 x 20.6) |
1.97 x 1.97 x 2.22 (50 x 50 x 56.3) |
1.97 x 1.97 x 0.81 (50 x 50 x 20.6) |
1.97 x 1.97 x 2.2 (50 x 50 x 56) |
2.13 x 2.13 x 2.20 (54 x 54 x 56) |
1.97 x 1.97 x 1.30 (50 x 50 x 33) |
1.97 x 1.97 x 0.81 (50 x 50 x 20.6) |
1.97 x 1.97 x 2.22 (50 x 50 x 56.3) |
| Weight [lb (kg)] |
0.35 (0.16) |
0.46 (0.21) |
0.35 (0.16) |
0.46 (0.21) |
0.55 (0.25) |
0.53 (0.26) |
0.46 (0.21) |
| Operating Temperature |
15 to 28ºC, RH < 80% |
|
1) See Tech Note 4 - Minimum Measurable Power of Power Meters
2) See online 818P manual for additional specifications.
3) Typical rise time with anticipation setting turned on.
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818P Specifications (25, 50 & 55 mm Aperture versions) |
| Model |
818P-040-25 |
818P-100-25 |
818P-250-25 |
818P-300-25 |
818P-040-55 |
818P-100-55 |
818P-300-55 |
818P-400-55 |
818P-500-55 |
818P-040-50W |
818P-050-50W |
| Spectral Range (µm) |
0.19-11 |
0.19-11 |
0.19-11 |
0.19-11 |
| Max. Measurable Power (W) |
40 |
100 |
250 |
300 |
40 |
100 |
300 |
400 |
500 |
40 |
50 |
| Minimum Detectable Power (mW)(1) |
3 |
3 |
15 |
5 |
5 |
| Rise Time (s)(3) |
1.3 |
1.3 |
2.8 |
3.5 |
3.5 |
| Responsivity, Approximate (mV/W) |
0.23 |
0.23 |
0.06 |
0.12 |
0.12 |
| Calibration Uncertainty (%) |
±2.5 |
±2.5 |
±2.5 |
±2.5 |
±2.5 |
| Repeatability (%) |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Resolution (%) |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Beam Size Dependence (%) |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
| Maximum Average Power (W) |
(continuous) |
40 |
100 |
250 |
300 |
40 |
100 |
300 |
400 |
500 |
40 |
50 |
| (2 minutes) |
60 |
150 |
300 |
300 |
60 |
150 |
300 |
400 |
500 |
60 |
75 |
| Power Density, Maximum Average (1064 nm, CW) |
45 kW/cm2 and 14 kW/cm2 with CO2 lasers |
45 kW/cm2 and 14 kW/cm2 with CO2 lasers |
100 kW/cm2 |
100 kW/cm2 |
100 kW/cm2 |
| Active Diameter (mm) |
25 |
55 |
50 |
50 |
| Pulse Energy Density, Maximum (J/cm2) (1064nm, 7 nS, 10 Hz)(2) |
1.0 |
1.0 |
9 |
1.1 |
1.1 |
| Active Area (cm2) |
4.9 |
23.76 |
19.6 |
19.6 |
| Cooling Method |
Air |
Heat Sink |
Fan |
Water |
Air |
Heat Sink |
Fan |
Water |
Fan |
Air |
Heat Sink |
| Dimensions (L x W x D) [in. (mm)] |
3.5 x 3.5 x 1.3 (89 x 89 x 32) |
3.5 x 3.5 x 4.2 (89 x 89 x 106) |
3.5 x 3.5 x 4.5 (89 x 89 x 115) |
3.5 x 3.5 x 1.7 (89 x 89 x 44) |
3.5 x 3.5 x 1.3 (89 x 89 x 32) |
3.5 x 3.5 x 4.2 (89 x 89 x 106) |
3.5 x 3.5 x 4.5 (89 x 89 x 115) |
3.5 x 3.5 x 1.7 (89 x 89 x 44) |
4.7 x 4.7 x 5.3 (120 x 120 x 135) |
3.5 x 3.5 x 1.3 (89 x 89 x 32) |
3.5 x 3.5 x 4.2 (89 x 89 x 106) |
| Weight [lb (kg)] |
1.5 (0.68) |
2.2 (0.99) |
3.17 (1.44) |
2.0 (0.90) |
1.4 (0.62) |
2.05 (0.93) |
3.04 (1.38) |
1.8 (0.84) |
6.05 (2.75) |
2.05 (0.93) |
2.05 (0.93) |
| Operating Temperature |
15 to 28ºC, RH < 80% |
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1) See Tech Note 4 - Minimum Measurable Power of Power Meters
2) See online 818P manual for additional specifications.
3) Typical rise time with anticipation setting turned on.
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Compatible Power Meter Models |
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Related Products |
1936-C/2936-C series is the most advanced benchtop power meter in industry (see Optical Power Meter, High-Performance Hand-Held, 1918-C)
(Detectors sold separately)
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