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SM304 InGaAs近紅外光譜儀
SM304InGaAs近紅外光譜儀是一款高分辨率、寬動態范圍、高信噪比的高性能科研級光譜儀，采用SM304 TE cooled InGaAs陣列探測器，適用于弱光源短紅外測量。還采用TE制冷，確保了儀器長時間穩定的工作。應用SP公司*的光路和電子系統，使暗噪聲和雜散光控制到zui小。的測試范圍是：900nm-2500nm。SM304可直接通過內置狹縫或經光纖耦合進光，支持標準可拆卸式接口SMA 905，FC光纖耦合器或者定制光纖接口。
光譜儀軟件包括基于Windows的SM32光譜采集和分析軟件，以及SDK和DLLs供客戶自行開發
InGaAs近紅外光譜儀產品特點：
產品參數：
| Feature | Value | ||||
| Models | SM304-512 | SM304-512-2.2 | SM304-512-2.5 | SM304-256-2.1 | SM304-256-2.5 |
| Detectors | G9204-512 | G9206-512 | G9208-512 | G9206-256 | G9208-256 |
| Spectral Response Range (micron) | 0.9-1.7 | 0.9-2.2 | 0.9-2.5 | 0.9-2.05 | 0.9-2.5 |
| Pixel Size | 25X500µm | 25X250µm | 50X500µm | ||
| Optical Resolution | >3nm overall | >5nm overall | >6.5nm overall | >7nm overall | >9nm overall |
| Signal to Noise Ratio | >15,000:1 @100msec | >10,000:1 @ 100msec | >7,500:1 @ 10msec | ||
| Spectrograph f# | 3.3 | ||||
| Dark Noise RMS | <10 RMS counts in 16bit @35msec integration time | ||||
| Fiber Coupler | SMA905 or FC standard | ||||
| Order Sorting Filter | Longpass filter or linear variable filter installed per wavelength coverage | ||||
| Stray Light | <0.01% at 632nm (<0.05% Ave) | ||||
| Computer interface | USB 1.1/2.0 16 bit (0-65535), support up to 8 multi-channel configuration | ||||
| Minimum integration time | 1msec | ||||
| Trigger Mode | Free Run Mode Software Trigger Mode External trigger mode (9-pin connector) : TTL Edge trigger input/digital output for monitoring | ||||
| Dimensions (inches) | 9.13 H X 5.12 W X 3.56 D | ||||
| Weight | 7 lbs. | ||||
| Software | SM32Pro (free with spectrometer) Includes DLL libraries and SDKs for easy custom application development | ||||
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