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可調(diào)諧超窄帶 (Laser Line Tunable )

LLTF是一種基于體積全息的非可調(diào)帶通濾波器。它提供了行業(yè)中的信號吞吐量，而且它的之處在于它結(jié)合了高光密度(> OD6)和出色的帶外抑制與超寬的可調(diào)范圍。單個(gè)濾波器可以在400 nm到1000 nm (VIS)或1000 nm到2300 nm (SWIR)之間進(jìn)行調(diào)諧，帶寬(FWHM)分別小于2.5 nm和5 nm。定制和擴(kuò)展光譜范圍(高達(dá)2500納米)和帶寬(亞納米)也可用。

同時(shí)，Photon新推出的CONTRAST EXT-IV型號實(shí)現(xiàn)了更寬波段的覆蓋，用戶能夠用一臺LLTF實(shí)現(xiàn)對白光全波段（400 - 2500 nm）的濾波效果，可以很好地為用戶減小空間成本。

PHOTON ETC的光學(xué)濾波技術(shù)使得LLTF提供了的效率和帶外抑制，是熒光和中可調(diào)諧激發(fā)源的理想選擇。

產(chǎn)品特點(diǎn)：

效率高達(dá)60%
帶外抑制高
寬調(diào)諧范圍
自由空間或耦合
用戶友好的控制軟件
輸入功率可達(dá)20W
提供諧波抑制、光線輸入輸出、光譜擴(kuò)展等可供選擇的配件選項(xiàng)

參數(shù)規(guī)格：

	CONTRAST VIS	CONTRAST SWIR	CONTRAST EXT-IV	CONTRAST X
SPECTRAL RANGE (extended and reduced spectral ranges also available**)	400 - 1000 nm	1000 - 2300 nm (2500 nm optional)	400 - 2300 nm (2500 nm optional)	where X represents a custom spectral range
BANDWIDTH (FWHM)***	1.0 nm - 2.5 nm	2.0 nm - 5 nm	≤ 2.5 (<1000> ≤ 5.0 (>1000 nm)	High resolution: 0.15 nm - 0.9 nm
OUT OF BAND REJECTION****	< -60="" db="" @="" ±="" 40="">	< -60="" db="" @="" ±="" 80=""> (measured up to 1.7 µm)	< -60="" db="" @="" ±="" 80=""> (measured up to 1.7 µm)	depends on the bandwidth
MAXIMUM INPUT AVERAGE POWER HP4: UP TO 4W HP8: UP TO 8W HP20: UP TO 20W	HP8, HP20	HP8, HP20	HP8, HP20	HP4
PEAK EFFICIENCY	typically around 65%
OPTICAL DENSITY (OD)	> OD6 (measured at 1064 nm)			TBD
DAMAGE THRESHOLD	< 5="">2 peak power @ 1064 nm, 8 ns
INPUT APERTURE DIAMETER	5 mm
INPUT BEAM DIVERGENCE REQUIREMENT	< 1="">
WAVELENGTH RELATIVE ACCURACY	FWHM / 8
POINTING STABILITY	< 1mm="" lateral="" displacement="" @="" 1="" m="" from="">
SCANNING SPEED (MULTIPLE STEP)	35 ms stabilization time for 0.1 nm step, 45 ms stabilization time for 0.2 nm step, 55 ms stabilization time for 1 nm step, 60 ms stabilization time for 2 nm step, 65 ms stabilization time for 5 nm step, 70 ms stabilization time for 10 nm step,
OPERATING SYSTEM (OS)	Windows 8 (64 bits) Windows 10 (64 bits)
SOFTWARE	included (SDK available)
COMPUTER CONNECTION	USB 2.0 (compatible 1.1)
DIMENSIONS (L x W x H)	9'' x 6.3'' x 6.7'' (23 x 16 x 17) cm		11.8'' x 9.1'' x 6.7'' (30 x 23 x 17.4) cm	9'' x 6.3'' x 6.7'' (23 x 16 x 17) cm
OPERATING TEMPERATURE	10 to 40°C
STORAGE TEMPERATURE	0 to 50°C
POWER SUPPLY	100 - 240 V, 50 - 60 Hz

ENHANCED SWIR	N/A	* up to 2500 nm
** EXTENDED AND REDUCED SPECTRAL RANGES ALSO AVAILABLE	e.g.: 500-2000 nm, 400-1700 nm, 500-900 nm, 500-650 nm, 650-1000 nm, 1000-1700 nm, 1700-2300 nm, etc.