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產(chǎn)品簡(jiǎn)介在線詢價(jià)

Newport擁有的919P系列熱電堆探測(cè)器，用于測(cè)量輸出功率范圍介于1µW和5kW之間的大功率激光器

熱電堆功率探測(cè)器產(chǎn)品詳情

Newport 擁有的 919P 系列熱電堆探測(cè)器，用于測(cè)量輸出功率范圍介于 1µW 和 5 kW 之間的大功率激光器。

寬帶、平坦的光譜響應(yīng)范圍為 0.19? - 11 ?µm
包括 NIST 可追蹤校準(zhǔn)
對(duì)光束位置不敏感
是測(cè)量高功率激光器或?qū)拵Ч庠吹钠骄β实睦硐脒x擇

對(duì)比	型號(hào)	探測(cè)器類型	光譜范圍	可測(cè)量功率	感光尺寸	功率密度
	919P-003-10	High Sensitivity	0.19 to 11 µm	3 W	?9.5 mm	1 kW/cm2
	919P-010-16	General Purpose	0.19 to 11 µm	10 W	?16 mm	28 kW/cm2
	919P-020-12	General Purpose	0.19 to 11 µm	4 W standalone (20 W with a heat sink)	?12 mm	23 kW/cm2
	919P-030-18	General Purpose	0.19 to 11 µm	30 W	?17.5 mm	20 kW/cm2
	919P-040-50	General Purpose	0.19 to 11 µm	35 W	?50 mm	12 kW/cm2
	919P-050-18HP	High Energy Pulse	0.24 to 2.2 µm	50 W	?17.5 mm	0.5 kW/cm2
	919P-050-26	General Purpose	0.19 to 11 µm	50 W	?26 mm	12 kW/cm2
	919P-150-26	Fan Cooled	0.19 to 11 µm	150 W	?26 mm	12 kW/cm2
	919P-250-35	Fan Cooled	0.19 to 11 µm	250 W	?35 mm	10 kW/cm2
	919P-5KW-50	High Power	0.19 to 11 µm	5000 W	?50 mm	3 kW/cm2
	919P-600-65	High Power	0.19 to 11 µm	600 W	?65 mm	7 kW/cm2

產(chǎn)品規(guī)格

型號(hào)
型號(hào)	919P-003-10	919P-040-50	919P-5KW-50	919P-050-18HP
探測(cè)器類型	High Sensitivity	General Purpose	High Power	High Energy Pulse
光譜范圍	0.19 to 11 µm	0.19 to 11 µm	0.19 to 11 µm	0.24 to 2.2 µm
感光尺寸	?9.5 mm	?50 mm	?50 mm	?17.5 mm
可測(cè)量功率	3 W	35 W	5000 W	50 W
能量密度	<100 ns, 0.3 J/cm2 0.5 ms, 1 J/cm2 2 ms, 2 J/cm2 10 ms, 4 J/cm2	<100 ns, 0.3 J/cm2 0.5 ms, 5 J/cm2 2 ms, 10 J/cm2 10 ms, 30 J/cm2	<100 ns, 0.3 J/cm2 0.5 ms, 5 J/cm2 2 ms, 10 J/cm2 10 ms, 30 J/cm2	<100 ns, 4 J/cm2 0.5 ms, 15 J/cm2 2 ms, 25 J/cm2 10 ms, 50 J/cm2
功率密度	1 kW/cm2	12 kW/cm2	3 kW/cm2	0.5 kW/cm2
線性度	±1.5 %	±1 %	±2 %	±1.5 %
上升時(shí)間	1.8 s	2.5 s	3.0 s	2 s
校準(zhǔn)不確定度	±3 %	±3 %	±5 %	±5 %
端口類型	DB15	DB15	DB15	DB15
工作溫度范圍	15°C to 35°C, <70% RH, non-condensing	15°C to 35°C, <70% RH, non-condensing	15°C to 35°C, <70% RH, non-condensing	15°C to 35°C, <70% RH, non-condensing
功率范圍	40 µW - 3 W	100 mW - 35 W, 150 W for 2 min	20 W - 5000 W	140 mW - 50 W
電纜長(zhǎng)度	1.5 m	1.5 m	1.5 m	1.5 m
RoHS	Compliant	Compliant	Compliant	Compliant

注釋:
For information on other models, please visit the model's page..

特征
在寬波長(zhǎng)范圍上的恒定響應(yīng) 熱電堆探頭對(duì)入射激光束的響應(yīng)特點(diǎn)由其吸收決定。我們?cè)趥鞲衅髦惺褂昧藘煞N不同類型的涂層。大多數(shù)型號(hào)中使用了 BB 型，在整個(gè)響應(yīng)波長(zhǎng)范圍內(nèi)具有良好的恒定吸收。919P-050-18HP 模式中使用了 PF 型，專為高能量密度脈沖設(shè)計(jì)。

	針對(duì)損傷閾值與脈沖寬度進(jìn)行了廣泛測(cè)試 919P 系列熱電堆探頭通過(guò)多種激光器對(duì)損傷閾值進(jìn)行了廣泛測(cè)試。您可以信任我們的規(guī)格，安心使用。

Thermopile Sensor Physics

Thermopile optical power sensors are based on thermocouples. A thermocouple consists of two dissimilar metals connected in series. To detect radiation, one metal junction is typically blackened to absorb the radiation. The temperature rise of this junction with respect to another non-irradiated junction generates a voltage. This effect is the basis of all thermocouple temperature sensors. The thermocouple materials used in thermopiles are usually bismuth and antimony, which have a relatively high thermoelectric coefficient. An individual thermocouple typically produces a low output voltage, which results in a low detectivity and limits its use as a sensing device. So, one way to increase the output voltage is to connect many thermocouple junctions in series. All the “hot” junctions are placed close together to collect the radiation. The typical operation of a thermopile is shown above. The thermopile disc consists of a circular array of thermocouples. The optical radiation is absorbed by the disc generating the output voltage. The heat on the disc spreads radially across the thermopile on the reverse side of the disc where it is transferred to a heat sink. These devices are quite sensitive in the IR due to their broadbａnd absorption. Due to the heating and cooling processes, the response time of a thermopile is quite slow, typically on the order of seconds. Due to this time constraint, thermopiles are used exclusively for measuring the power of CW or quasi-CW radiation sources. Please see our Thermopile Sensor Physics technical note for additional information.

大功率測(cè)量的理想選擇		NIST 可追溯性
Newport 新型的 919P 熱電堆探頭系列提供了一系列探測(cè)器，以滿足連續(xù)或脈沖激光器的功率測(cè)量需求。他們提供了寬帶、頻域平直的響應(yīng)，測(cè)量功率范圍高達(dá) 5000 W。		每個(gè) 919P 熱電堆探頭包括一個(gè) DB15 連接器和內(nèi)部 EEPROM，用于存儲(chǔ)工廠校準(zhǔn)數(shù)據(jù)。大多數(shù)探頭都在 532 nm、1.064 µm 和 10.64 µm 這三種不同波長(zhǎng)下校準(zhǔn)。建議每年都對(duì)熱電堆探頭進(jìn)行校準(zhǔn)，以確保 NIST 的可追溯性。

Cross Reference Chart for Legacy 818P Series Thermopile Sensors

Legacy 818P Model	Replacement 919P Model
818P-001-12, 818P-001-12NIR	919P-003-10
818P-015-19	919P-010-16
818P-010-12, 818P-020-12	919P-020-12
818P-030-19, 818P-015-17W, 818P-030-17W	919P-030-18
818P-040-55, 818P-040-50W, 818P-050-50W	919P-040-50
818P-015-18HP, 818P-030-18HP	919P-050-18HP
818P-040-25, 818P-050-17W	919P-050-26
818P-100-25, 818P-110-19, 818P-150-19	919P-150-26
818P-100-55, 818P-250-25, 818P-300-25	919P-250-35
818P-300-55, 818P-400-55, 818P-500-55	919P-600-65
818P-3KW-65, 818P-3KW-100	919P-5KW-50

Please note that the 919P Series Thermopile Sensors are intended to replace the 818P Series Sensor. Also note that both the series are incompatible with certain optical power meter models. The following table provides the recommended replacement 919P models for each 818P series model. Even though the recommended models have the closest specifications as the obsoleting ones, however, not identical. The user must carefully compare each specification.

Flexible Fiber Adapters

Detector Model	Required Mounting Ring
919P-030-18	919P-18FA
919P-040-50	919P-50FA
919P-050-26, 919P-150-26	919P-26FA
919P-250-35	919P-35FA
919P-020-12, 919P-050-18H	Fiber adapters not mountable

The 919P-SMA and 919P-FC fiber adapter can be used with most of the detector models. Remove the snout for Models 919P-003-10 and 919P-010-16 and directly mount the fiber adapters on the thread. In order to accommodate various aperture sizes, we provide adapter rings as well as the fiber adapters. Refer to the table for the corresponding adapter ring for each detector model. Note that certain models do not accept a fiber adapter.

激光的探測(cè)器選擇

如果您已擁有 Newport 和 Spectra Physics 激光器，請(qǐng)參閱我們的光學(xué)探測(cè)器選型指南，來(lái)查看每個(gè)激光器的推薦探測(cè)器型號(hào)。

關(guān)鍵詞：連接器

熱門產(chǎn)品

產(chǎn)品名稱	參考價(jià)	地區(qū)	公司名稱	更新時(shí)間
鎧裝鉑電阻，WZPK2-266SA，	￥480	德州市	上海雙旭電子有限公司	2026-09-24	在線詢價(jià)
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微型熱電阻	面議	滁州市	安徽康泰電氣有限公司	2026-09-18	在線詢價(jià)
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鉑熱電阻	￥200	滁州市	安徽天康（集團(tuán)）股份有限公司	2026-09-16	在線詢價(jià)
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