OptoScan Monochromator

Light separation device for precise selection of wavelengths from a full-spectrum source

Controls both center-wavelength and bandwidth with millisecond time resolution
Readily integrated into commercial imaging systems or custom controlled

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Overview

The OptoScan Monochromator controls bandwidth in real-time during experiments, allowing each excitation wavelength to be optimized independently. Thus, when Stokes shifts are large or when fluorescence intensities are weak, a relatively large bandwidth can be selected to maximize the signal-to-noise ratio. Conversely, if there is a small Stokes shift or if the fluorescence intensity is high, the slit width can be minimized to reduce bleed-through and optimize dynamic range. This level of real-time interaction is crucial to accomplish today’s complex protocols.

Specifications

Optical configuration	Enhanced Czerny-Turner configuration with fast F/2 light collection and off-axis parabolic mirrors to minimize aberrations
Diffraction grating	1200 line ruled grating blazed for broad UV/visible range, 1800 and 2000 line holographic gratings for demanding applications
Wavelength resolution	300-800 nm specified with 0.5 nm resolution at ±1.5nm accuracy
Bandwidth resolution	0-30 nm specified with 0.1nm resolution at ±0.2nm accuracy
Wavelength switching	200 nm transition < 1.5 ms, 50 nm transitions in < 1 ms
Bandpass switching	Typical transition times of < 1.5 ms for both input and exit slits
Digital shuttering (TTL)	Typically < 2 ms depending on bandpass

Features

Sub-millisecond control of center wavelength	Experimental precision
Sub-millisecond bandpass control	Spectral and intensity optimization at each wavelength
Supports Hg/Xe lamps as well as Xe lamps	Ability to exploit spectral peaks
Modular design	Ability to utilize the light source independently as a white light source if required
Light guide couplings to all popular microscopes	Easy integration into current experimental arrangements
External iris diaphragm	Manual intensity control without the need for ND filters
Built-in fast electronic shuttering on all versions	Fast on/off

Applications

Fluorescence photometry
Fluorescence imaging
Optical wavelength scanning
Photolysis

Download

OptoScan datasheet

Support

OptoScan quick start – Basics of OptoScan operation

Optoscan USB Drivers – USB drivers required to control the OptoScan via USB. Not needed for TTL/Analog control

osDAC 64 bit – USB test program for OptoScan

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OptoScan Monochromator

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