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双单色仪CM112 DK242
CM112和DK242可以在出厂时就设置为色散相加或相减模式的双单色仪。在两个模式里，两个单色仪像一个双重滤波器来消除散射光，效果是单单色仪的平方倍。在色散相加模式，双单色仪等效与一个双倍焦距单色仪，但可以更多的减少散射光。第一个光栅传播的光谱产生一个角度范围，第二个光栅加倍了这个角度范围，这样，双单色仪产生的分辨率是单个单单色仪的两倍。在相减色散模式中，第一个单色仪选择带通，第二个单色仪移除因为第一个单色仪引起的时间和角色散的误差。
CM112是一款可双向光栅驱动扫描，自动选择波长，双光栅塔台结构的紧凑型双级联单色仪，产品尺寸：约13x16x8cm；
DK242是一款可双向光栅驱动扫描，恒定光谱分辨率，两个三光栅塔台结构的双级联单色仪；
通过RS232连接电脑，是一种完全计算机控制的双级单色仪。CM112具有色散相加和色散相减两种模式。色散相加模式可以双倍提高光谱分辨率，适合高分辨率测量；色散相减模式，有效降低了单色仪杂散光，杂散光抑制极强，从而能进行更微弱信号的探测，如拉曼光谱、光电探测器光谱响应度标定等。色散相减模式只可以作单色仪使用，色散相加模式既可以作单色仪，又可以作光谱仪（可直接连接CCD）使用。在实际使用过程中需特别考虑光栅的选择。所有设备在出厂前均严格的定标，操作软件操作十分简单方便。
Fig1.CM112双单色仪 Fig2.DK242双单色仪
CM112产品参数：
Feature Value Design: Double cascaded Czerny-Turner, double-grating turrets standard in each section Focal Length: 110mm each section f/#: 3.9 overall Beam Path: Straight through standard, right angle provided on request. Wavelength Drive: Dual worm and wheel with electronic synchronization and computer control. Programable in additive or subtractive dispersion with positive or negative grating orders. Wavelength Precision: 0.1nm (additive) 0.2nm (subtractive) Wavelength Accuracy: ± 0.3nm (additive) ± 0.6nm (subtractive) Max Resolution: <0.5nm (additive) <1nm (subtractive) Band Pass: 0.25nm (additive) 0.50nm (subtractive), w/standard slits Slewing Speed: >100nm/second Stray Light: <10-9 Slits: Standard Set includes; 0.125mm, 0.15mm, 0.30mm, 0.6mm, 1.2mm and 2.4mm x 4.0mm. For other sizes, consult SP. Gratings: Two or four gratings (30 x 30mm) must be purchased. See CM grating options page Software: Demonstration control program and LabView driver included. Power: UL listed 110/220V power pack Interface: RS232 standard Warranty: One year Options: Hand-held control module with function keys and display for local control IEEE-488 interface Interface cables Gold optics See options and accessories
DK242产品参数:
Feature Value Design: Double cascaded Czerny-Turner. Triple-grating turrets standard in each section. Focal Length: 240mm each section f/#: 3.9 overall Reciprocal Dispersion: 1.60nm/mm (additive) --- (with 1200 g/mm grating) Wavelength Drive: Dual worm and wheel with electronic synchronization and computer control. Programmable in additive or subtractive dispersion Programmable in additive or subtractive dispersion Wavelength Precision: 0.01nm (additive) 0.01nm (subtractive) Wavelength Accuracy: ± 0.30nm standard (with 1200 g/mm grating) Scan Speed: >1 to 1200nm/minute (with 1200g.mm grating) Stray Light: < 10-9 Slits: Unilateral, computer controlled, curved entrance and straight exit standard. Width - 10μm to 3000μm Height - 2mm to 20mm Pulse Broadening: 200 ps max (additive) 10 fs max (subtractive) Max Resolution: <0.04nm (additive) 0.06nm (subtractive) Gratings: Two to six gratings (68 x 68mm standard, 68 x 84mm optional) must be purchased. See DK Gratings. Software: Demonstration control program and LabView driver included. Power: 110 / 120V, 50/60Hz @ 1A standard. 220/230/240V, 50/60Hz @ 0.5A optional. Interface: RS232 standard Warranty: One year Options: DKBS - Bi-lateral slits DKGPIB - IEEE-488 communication interface (internal) DK2400 and Hand-held controllers for local control IR240 - Gold optics DK2PORT - Bifurcated fiber bundle for attaching 2 devices to 1 port. AB300 - Automated 6 position filter wheel See options and accessories 光栅选型表：
Part #
Ruling
Peak
Range (nm)
Peak %T
(G/mm)
(nm)
Part # Ruling Peak Range (nm) Peak %T (G/mm) (nm) AG2400-00240-686 2400 240 180 - 680 70 AG1200-00200-686 1200 200 180 - 450 65 AG1200-00250-686 1200 250 180 - 460 70 AG1200-00300-686 1200 300 200 - 750 72 AG1200-00500-686 1200 500 330 - 1000 83 AG1200-00600-686 1200 600 400 - 1500 80 AG1200-00750-686 1200 750 480 - 1500 85 AG1200-01000-686 1200 1000 550-1500 75 AG0600-00500-686 600 500 350 - 1300 80 AG0600-01250-686 600 1200 800 - 3000 85 AG0600-01600-686 600 1600 950 - 3000 93 AG0300-00500-686 300 500 310 - 1100 80 AG0300-02000-686 300 2000 1200 - 4000 88 AG0300-02500-686 300 2500 1500 - 6000 88 AG0300-03000-686 300 3000 1800 - 6000 80 AG0150-00500-686 150 500 320 - 980 72 AG0150-04000-686 150 4000 2500 - 9000 93 AG0075-08000-686 75 8000 5000 - 15000 82 AG0050-00600-686 50 600 400 - 1200 78 AG0050-12000-686 50 12000 7500 - 20000 82
NOTE: Ruled gratings blazed at other wavelengths and holographic gratings are available on request.
相关产品链接
1.phasics高精度波前分析仪
2.光学斩波器
3.光束质量分析仪
4.光电探测器
5.激光功率能量计
6.激光波长计
7.光谱仪
8.单色仪/分光仪
9.红外激光观测仪与防护
10.CCD相机和镜头
