SM304 InGaAs近红外光谱仪
SM304是一款高分辨率、宽动态范围、高信噪比的高性能科研级光谱仪，采用SM304 TE cooled InGaAs阵列探测器，适用于弱光源短红外测量。还采用TE制冷，确保了仪器长时间稳定的工作。应用SP公司特有的光路和电子系统，使暗噪声和杂散光控制到非常小。理想的测试范围是：900nm-2500nm。SM304可直接通过内置狭缝或经光纤耦合进光，支持标准可拆卸式接口SMA 905，FC光纤耦合器或者定制光纤接口。
光谱仪软件包括基于Windows的SM32光谱采集和分析软件，以及SDK和DLLs供客户自行开发
产品特点：
- 科研级高性能
- 非常低的暗电流和杂散光
- 高动态范围和信噪比
- 高稳定
- 可通过狭缝和光纤输入
- 多功能应用
- 高速数据采集
- 900-2500nm测试范围
产品参数：
| 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 | ||||
