400~2300nm光學可調諧濾波器

簡要描述：400~2300nm光(guang)學(xue)可調諧(xie)(xie)濾(lv)(lv)波器(qi)LLTF系列(lie) Tunable Filter是一(yi)款非(fei)(fei)色散(san)的(de)(de)亞納米帶(dai)寬(kuan)可調諧(xie)(xie)光(guang)學(xue)濾(lv)(lv)波器(qi)。值得(de)一(yi)提的(de)(de)是，因為采用的(de)(de)擁(yong)有(you)的(de)(de)體光(guang)柵技術(shu)，這款可調諧(xie)(xie)光(guang)學(xue)濾(lv)(lv)波器(qi)具有(you)驚人的(de)(de)60%的(de)(de)非(fei)(fei)偏(pian)振透(tou)過(guo)率，這是FTS, Fabry-Perot, 聲光(guang)（AOTF），液晶（LCTF）等方法所無(wu)法企及的(de)(de)。波長調諧(xie)(xie)通過(guo)電(dian)腦程(cheng)序控制，省去了重新調整光(guang)路帶(dai)來的(de)(de)不便。

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更新時間：2021-06-02
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400~2300nm光學可調諧濾波器

LLTF系(xi)列 Tunable Filter是一款非(fei)色散(san)的(de)亞納米(mi)帶(dai)寬(kuan)可調(diao)諧光(guang)學濾波器。值得一提的(de)是，因為(wei)采用的(de)擁有(you)的(de)體(ti)光(guang)柵技術，這款可調(diao)諧光(guang)學濾波器具(ju)有(you)驚人的(de)60%的(de)非(fei)偏振透過(guo)率(lv)，這是FTS, Fabry-Perot, 聲光(guang)（AOTF），液晶（LCTF）等方(fang)法(fa)所(suo)無法(fa)企及的(de)。波長調(diao)諧通(tong)過(guo)電腦(nao)程序控制(zhi)，省去了重新調(diao)整光(guang)路帶(dai)來的(de)不便。此外(wai)，由于TNF系(xi)列超窄(zhai)帶(dai)寬(kuan)Notch Filter中的(de)filter是由全玻璃材料制(zhi)成(cheng)，所(suo)以和傳(chuan)統的(de)Notch Filter比(bi)較，它具(ju)有(you)更(geng)高的(de)損傷閾值及工(gong)作壽(shou)命。

400~2300nm光學可調諧濾波器

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

技術指標：

Source Type	Spectral range (nm)	FWHM(nm)
Dye Laser	540 - 800	<0.3
Ti:Saphire Laser	715 - 1000	<0.3
Ti:Saphire Laser	800 - 1100	<0.4
High Power Supercontinuum source (up to 8 W)	400 - 1000	<0.4
High Power Supercontinuum source (up to 8 W)	1000 - 2300	<2
Medium power  Supercontinuum source (up to 50 mW)	400 - 1000	<0.4
Medium power  Supercontinuum source (up to 50 mW)	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