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超宽带（Tunable Laser Source）
TLS系列超宽带可调谐激光器是基于加拿大Photon etc公司的可调谐技术及谱光源技术研发而成的。调谐范围从可见光到近红外，激光线宽最小可达0.3nm。在整个调谐范围内可实现*的准确性（precise up to 0.05 nm)及准确度（accurate up to 0.1 nm)。
的光学线性可调滤波器(LLTF)是一种基于体积全息的非可调带通滤波器。它提供了行业中的信号吞吐量，而且结合了高光密度(> OD6)和出色的带外抑制以及广泛的波段可调性。针对这点，Photon将Fianium、NKT Photonics和LEUKOS的超连续介质技术的灵活性与其本身的滤波器的带外抑制特性相结合，推出了由超连续谱白光光源与LLTF搭建的TLS系列超宽带可调谐激光器，允许应用于简单而精确的样品激励或仪器校准。图示为Photon的TLS输出光谱图。
Output from Photon etc’s tunable laser source. Visible option covering 400 - 1000 nm and SWIR option covering 1000 - 2500 nm.
产品特点：
带外抑制高
指向与功率稳定性
宽调谐范围
自由空间或耦合
微微秒或纳秒源
输入功率可达20W
可供选择的配件
参数规格：
| CONTRAST VIS | CONTRAST SWIR | CONTRAST X | |
SPECTRAL RANGE | 400 - 1000 nm | 1000 - 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 | High resolution: 0.15 nm - 0.9 nm |
| OUT OF BAND REJECTION**** | < -60="" db="" @="" ±="" 40=""> | < -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 | HP4 |
| PEAK EFFICIENCY | typically around 65% | ||
| OPTICAL DENSITY (OD) | > OD6 (measured at 1064 nm) | TBD | |
SPECTRAL POWER DENSITY | Coupled with 4W supercontinuum source: Coupled with 8W | Coupled with 4W supercontinuum source: Coupled with 8W | depends on the bandwidth |
| DAMAGE THRESHOLD | < 5="">2 peak power @ 1064 nm, 8 ns | ||
| BEAM DIAMETER | 2 to 5 mm (depending on λ) | ||
| INPUT BEAM DIVERGENCE REQUIREMENT | < 0.45=""> | ||
| WAVELENGTH RELATIVE ACCURACY | FWHM / 8 | ||
| POINTING STABILITY | < 1mm="" lateral="">lacement @ 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 Vista (32 & 64 bits) Windows 7 (32 & 64 bits) Windows 8 (32 & 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'' (filter) 23 cm x 16 cm x 17 cm (filter) | ||
| OPERATING TEMPERATURE | 5 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 | |
| FIBEROPTIC OUTPUT | An X-Y-Z translation adjustment allows coupling optimization. The FC APC is available with the following fibers: - 9/125 μm (single mode) - 50/125 μm (multimode) - 105/125 μm (multimode) | ||
| HARMONIC FILTER | Blocks the harmonics coming from the region 400-500 nm | Blocks the harmonics coming from the region 500-1000 nm and/or 1000-1250 nm | A filtre is chosen according to the spectral range |
| ALIGNMENT KIT (FOR FREE SPACE) | In free-space (input/output) configuration, the alignment kit allows the user to rapidly find the correct alignment | ||
| ** 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. | ||
注意：
输入光束的散度要求不超过1 mrad，否则将无法有效工作。
如需在自由空间配置中达到此规格，需要将滤波器与Photon etc背景抑制附件耦合。
TLS总光强取决于LLTF所搭配超连续谱白光光源的光强
