光纤光谱仪

一、产品概述

AvaSpec-ULS2048-USB2 是 Avantes StarLine 系列高速光纤光谱仪，采用 75mm 对称式 Czerny-Turner 光学平台与 2048 像素 CCD 线性阵列探测器，覆盖紫外-可见-近红外 200-1100nm 波段，光谱分辨率最高可达 0.05nm。通过高速 USB2.0 接口实现 1.8ms/scan 的数据传输，是时间关键型光谱测量的理想选择，兼具高性价比与出色的响应速度。

二、核心特性

· 高速采集：USB2.0 接口，1.8ms/scan 数据传输，积分时间最短 1.05ms
· 宽波段覆盖：200-1100nm，可依需求选择光栅与狭缝配置
· 高灵敏度：310,000 counts/µW·ms，适合微弱信号测量
· 模块化设计：多种光栅、狭缝、光纤接口可选，支持双通道及多通道（最多 10 通道 19" 机架同步采集）
· 外触发同步：HD-26 数字 I/O，支持触发与同步信号

三、典型应用

紫外-可见-近红外光谱测量、时间关键型光谱分析、等离子体光谱诊断、LIBS 激光诱导击穿光谱、透射/反射/吸收光谱测量、颜色与亮度测量。

Product Overview
The AvaSpec-ULS2048-USB2 is the workhorse of the Avantes StarLine fiber-optic spectrometer family, featuring a 75 mm symmetrical Czerny-Turner optical bench and a 2048-pixel CCD linear array detector covering 200-1100 nm with resolution down to 0.05 nm. Its high-speed USB2.0 interface delivers 1.8 ms/scan data transfer, making it ideal for time-critical spectroscopy.

Key Features
· High speed: USB2.0, 1.8 ms/scan data transfer, integration time from 1.05 ms
· Wide range: 200-1100 nm with selectable gratings and slits
· High sensitivity: 310,000 counts/µW·ms
· Modular: dual- and multi-channel versions up to 10 spectrometers in a 19" rack, all spectra taken simultaneously
· External trigger/sync via HD-26 digital I/O

Applications
UV/VIS/NIR spectroscopy, time-critical measurements, plasma diagnostics, LIBS, transmission/reflection/absorption measurements, color and luminance measurement.