| 產(chǎn)地類(lèi)別 | 進(jìn)口 |
|---|
400~2300nm光學(xué)可調(diào)諧濾波器
LLTF系列 Tunable Filter是一款非色散的亞納米帶寬可調(diào)諧光學(xué)濾波器。值得一提的是，因?yàn)椴捎玫膿碛械捏w光柵技術(shù)，這款可調(diào)諧光學(xué)濾波器具有驚人的60%的非偏振透過(guò)率，這是FTS, Fabry-Perot, 聲光（AOTF），液晶（LCTF）等方法所無(wú)法企及的。波長(zhǎng)調(diào)諧通過(guò)電腦程序控制，省去了重新調(diào)整光路帶來(lái)的不便。此外，由于TNF系列超窄帶寬Notch Filter中的filter是由全玻璃材料制成，所以和傳統(tǒng)的Notch Filter比較，它具有更高的損傷閾值及工作壽命。
400~2300nm光學(xué)可調(diào)諧濾波器
Illustration of the out-of-band rejection of a volume holographic grating at λc= 632 nm. Bands of ±45 nm are presented and an out-of-band rejection of -60 dB is obtained.
Output from Photon etc’s tunable laser source. Visible option covering 400 - 1000 nm and SWIR option covering 1000 - 2500 nm.
典型應(yīng)用：
•Photoluminescence (PL)
•Photoluminescence excitation (PLE)
•Reflection/Transmission Spectroscopy
•Hyperspectral imaging
•Photovoltaic (EQE Mapping)
•Photochemistry
•LBIC (Light Beam Induced Current)
•Steady State Pump-Probe experiment
•Fluorescence spectroscopy
•Detector calibration
•Photobiology
•Solar Simulators
技術(shù)指標(biāo)：
| Source Type | Spectral range (nm) | FWHM(nm) |
| Dye Laser | 540 - 800 | <0.3 |
| Ti:Saphire Laser | 715 - 1000 | <0.3 |
| 800 - 1100 | <0.4 | |
| High Power Supercontinuum source (up to 8 W) | 400 - 1000 | <0.4 |
| 1000 - 2300 | <2 | |
| Medium power Supercontinuum source (up to 50 mW) | 400 - 1000 | <0.4 |
| 1000 - 2300 | <2 |
| Custom possibilities | |
| Available spectral window | 400 - 2300 nm |
| Available bandwidths (FWHM) | From 0.3 nm to 3 nm depending on wavelength |
| Tuning range | From 260 nm to 1300 nm |
| Pointing stability | < 1 mm lateral displacement (for 1.3 μm spectral range) |
| Peak transmission | Up to 60% |
| Wavelength relative resolution | 0.05 nm (for FWHM = 0.3 nm) |
| Damage threshold | > 100 kW/cm2 average power > 5 GW/cm2 peak power @ 1064 nm, 8 ns |
| Aperture diameter | ≤ 5 mm |
| Out of band rejection (with a fiber output) | < -60 dB @ ± 40 nm (VIS), < -60 dB @ ± 80 nm (SWIR) |
| Wavelength relative resolution: | FWHM/8 |
| Operating temperature | 10 to 40°C |
| Software | included |
| Computer connection | USB 2.0 (compatible 1.1) |
| Power supply | 100 - 240 V , 50 - 60 Hz |
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