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深圳市華智騰光電科技有限公司
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919E系列熱電脈沖能量探測器采用創新的技術,可以實現大范圍激光脈沖的精確可重復激光測量
919E 系列熱電脈沖能量探測器采用創新的技術,可以實現大范圍激光脈沖的精確可重復激光測量。
對比 | 型號 | 探測器類型 | 光譜范圍 | 感光尺寸 | 重復頻率 | 有衰減器時的脈沖能量 |
![]() | 919E-0.1-12-250 | Pyroelectric | 0.15 to 3 and 10.6 µm | ?12 mm | 250 Hz | 10 mJ |
![]() | 919E-0.1-12-25K | Pyroelectric | 0.15 to 12 µm | ?12 mm | 25 kHz | 10 mJ |
![]() | 919E-10-20-250 | Pyroelectric | 0.24 to 2.2 µm | ?20 mm | 250 Hz | 10 J |
![]() | 919E-10-24-10K | Pyroelectric | 0.15 to 3 µm | ?24 mm | 10 kHz | 10 J |
![]() | 919E-10-35-10K | Pyroelectric | 0.19 to 2.2, and 2.94 µm | ?35 mm | 10 kHz | 10 J |
![]() | 919E-10-35-250 | Pyroelectric | 0.24 to 2.2 µm | ?35 mm | 250 Hz | 10 J |
![]() | 919E-200U-8-25K | Pyroelectric | 0.15 to 12 µm | ?8 mm | 25 kHz | 200 uJ |
![]() | 919E-20U-10-20K | Silicon Photodiode | 0.19 to 1.1 µm | ?10 mm | 20 kHz | 15 µJ @ <300 nm, 8 µJ @ 350-550 nm, 5 µJ @ >800 nm |
![]() | 919E-30-46-10K | Pyroelectric | 0.532, 1.064, 2.10, 2.94 µm | ?46 mm | 10 kHz | 30 J |
產品規格
型號 | ![]() | ![]() | ![]() | ![]() |
919E-0.1-12-250 | 919E-10-35-10K | 919E-30-46-10K | 919E-10-20-250 | |
探測器類型 | Pyroelectric | Pyroelectric | Pyroelectric | Pyroelectric |
探測器材料 | BF coating | Metallic with removable diffuser | BF with diffuser | |
光譜范圍 | 0.15 to 3 and 10.6 µm | 0.19 to 2.2, and 2.94 µm | 0.532, 1.064, 2.10, 2.94 µm | 0.24 to 2.2 µm |
感光尺寸 | ?12 mm | ?35 mm | ?46 mm | ?20 mm |
平均功率 | 3 W | 25 W | 40 W w/ diffuser, 15 W w/o diffuser | 20 W |
有衰減器時的脈沖能量 | 10 mJ | 10 J | 30 J | 10 J |
脈沖寬度 | 5 ms | 20 ms | 5 ms | 20 ms |
重復頻率 | 250 Hz | 10 kHz | 10 kHz | 250 Hz |
噪聲等效能量 | 1 µJ in 1 ms, 5 µJ in 5 ms setting | 1 µJ in 2 µs, 40 µJ in 5 ms setting | 1 µJ in 2 µs, 20 µJ in 5 ms setting (w/o diffuser) | 15 µJ in 1 ms, 60 µJ in 20 ms setting |
線性度 | ±2% | ±2% with energy for >7% of full scale | ±2% with energy for >10% of full scale | ±2% with energy > 7% of full scale |
校準不確定度 | ±3% basic, add ±2% @ 0.2-3 µm, ±5% @ 10.6 µm | ±4% basic, add ±2% @ 0.2-3 µm, ±5% @ 10.6 µm | ±4% basic, add ±2% @ 0.2-3 µm, ±5% @ 10.6 µm | ±4% basic, add ±2% @ 0.2-3 µm, ±5% @ 10.6 µm |
損傷閾值 | 0.8 J/cm2 (<100 ns pulse), 1 J/cm2 (1 µs), 2 J/cm2 (300 µs) | 1 J/cm2 (<100 ns pulse), 2 J/cm2 (1 µs), 20 J/cm2 (300 µs), 40 J/cm2 (2 ms) | 1.5 J/cm2 (<100 ns pulse), 3 J/cm2 (1 µs), 20 J/cm2 (300 µs), 60 J/cm2 (2 ms) | 3 J/cm2 (<100 ns pulse), 5 J/cm2 (1 µs), 25 J/cm2 (300 µs), 50 J/cm2 (2 ms) |
端口類型 | DB15 | DB15 | DB15 | DB15 |
工作溫度 | 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 |
反射率 | 20% approx. | 25% approx. | 50% approx. w/o diffuser, 25% approx. w/ diffuser | |
尺寸 | ?62 x 21 mm | ?62 x 35 mm | ?62 x 28.5 mm | ?62 x 28.5 mm |
電纜長度 | 1.5 m | 1.5 m | 1.5 m | 1.5 m |
RoHS | Compliant | Compliant | Compliant | Compliant |
特征 | |||
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The configuration of a typical pyroelectric sensor and its operational output can be seen in the above Figure. A pyroelectric material, which is usually crystalline, possesses an electric polarization, even in the absence of an applied voltage. An incident laser pulse heats the crystal, which causes the material to expand and produce a change in the polarization. Charge builds up on opposite surfaces of the crystal which generates a current flow that charges a capacitor. This charged capacitor induces a voltage whose amplitude change is proportional to the original laser pulse energy. Since it is the change in temperature that produces the current, pyroelectric detectors respond only to pulsed or modulated radiation. They respond much more rapidly to variations in radiation than thermopiles and are unaffected by steady background radiation. Please see our Pyroelectric Sensor Physics technical note for additional information. | |||
![]() | 光電二極管脈沖能量探頭 919E-20U-10-20K 型號是一款用于低能量測量的光電二極管能量探頭,其孔徑為 10mm。該型號是市場上的校準能量探頭之一。它可以測量從 1nJ 到 15µ | ||
測量可達 25 kHz 的激光重復頻率 919E 系列探頭能夠可靠測量高達 25 kHz 激光重復頻率的能量脈沖。選擇高脈沖能量探頭可以測量 10 kHz 的重復頻率。連接全新的 1919-R 手持式功率和能量計時,可記錄的每個脈沖的脈沖能量可達 6 kHz。 | ![]() | ||
![]() | 傳感器尺寸可高達 46 mm 不使用散射片時,919E-30-46-10K 的有效直徑可至 46 mm。即使安裝了散射片,有效直徑也能達到 33 mm。此外,另外兩個型號的直徑為 35 mm。 | ||
NIST 可追蹤校準 所有的探頭都配備一個 DB15 連接器和內部 EEPROM,用于存儲工廠校準數據,使其 直接兼容 Newport 的 843-R、843-R-USB 和全新的 1919-R 光功率和能量計。 |
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高能級可達 30 J 我們還提供了五種可以處理高脈沖能量的型號。尤其是 919E-30-46-10K,通過使用具 有高損傷閾值的經過校準的散射片,可測量高達 30 J 的能量。 |
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