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