新光柵選擇,用于滿足客戶波長,光譜范圍及雜散光控制需求。
新的光學(xué)組件設(shè)計(jì),用于提高光效率及靈敏度。
SMA905及可更換狹縫設(shè)計(jì),滿足狹縫更換的方便性及好的穩(wěn)定性。
新的光學(xué)平臺(tái)設(shè)計(jì)以提供更穩(wěn)定的波長熱穩(wěn)定性。
參考價(jià) | 面議 |
更新時(shí)間:2020-08-07 15:06:07瀏覽次數(shù):3352
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拉曼光譜的理想選擇
QE65pro是熒光、拉曼光譜測量的理想選擇,尤其是模塊化的拉曼光譜儀配置。對(duì)于拉曼測量,我們提供900刻線/mm的光柵(#H36),閃耀波長500nm,對(duì)于532nm及785nm激光拉曼都具有好的光譜響應(yīng)。
海洋光纖光譜儀特點(diǎn):
背照式面陣CCD
QE65pro的核心是濱松FFT-CCD探測器,具有*的量子效率(高點(diǎn)90%)及極低的etalon效應(yīng)。不像線陣CCD,QE65pro允許面陣CCD像素點(diǎn)做并歸處理,可以縱向上并歸一整列,作為一個(gè)像素點(diǎn),這樣可以較大的提高靈敏度及信噪比(>1000:1),并提高處理速度。
而且,TEC制冷(可達(dá)-15℃)使得探測器具有更低的噪聲,更利于弱光檢測,并且積分時(shí)間可從8ms到15分鐘連續(xù)可調(diào),光譜也不會(huì)失真變形。
拉曼實(shí)驗(yàn)搭建:
QE65pro,拉曼光纖探頭,激光器組成的模塊化拉曼系統(tǒng)。分叉光纖一端接785nm激光器,另一端接光譜儀??梢杂糜诠腆w、粉末樣品測量,液體樣品也可置于比色皿中進(jìn)行測量。
海洋光纖光譜儀參數(shù)表:
Detector and Optical Bench Components | |
Detector: | 2D, back-thinned CCD array, TEC cooled |
Spectrometer configuration: | Symmetrical crossed Czerny Turner, f/4 |
Wavelength range: | Configurations support the range of ~185-1160 nm |
Gratings: | Multiple options within ~185-1160 nm |
Interchangeable slit widths: | 5 µm, 10 µm, 25 µm, 50 µm, 100 µm, 200 µm or no slit |
Interchangeable slit connectors: | SMA 905 and FC |
Spectrometer Performance | |
Optical resolution: | 0.07-20 nm (FWHM) depending on configuration |
Signal to noise (SNR), system: | 1000:1 (shot noise limited) |
Dynamic range: | ~85,000 (typical) |
Stray light: | <0.08% at 600 nm; 0.4% at 435 nm |
Integration time: | 8.0 ms-60 minutes, in 1 µs increments |
Wavelength stability: | <3.0 pixel shift |
Optoelectronics and Thermoelectric Cooler (TEC) | |
A/D resolution: | 18 bit |
Readout speed: | 500 kHz |
Data transfer rate: | 8 ms/scan (USB 2.0 110 ms/scan (RS-232) |
Buffering: | 1-15,000 spectra |
Trigger specifications: | 4 trigger modes; programmable Delay -- 0-70 minutes (in 1 µs increments) Jitter -- 40 ns |
TEC: | -40 ºC to +50 ºC (ambient); LED stability indicator |
Operating conditions: | 0-50 ºC; 90% non-condensing |
Interfaces: | 10 user-programmable digital I/O pins; SPI/I2C for controlling peripherals RS-232 and USB 2.0 LED indicators of TEC readiness and spectrometer health |
Physical and Other Specifications | |
Dimensions: | 7.17 x 4.33 x 1.85 in. 182 x 110 x 47 mm |
Weight: | 2.6 lb. (1.15 kg) |
Security: | Kensington® security slot |