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AgiltronCrystaLatch系列筱晓光子引进的高性价比CrystaLatch 1x1，1x2 CL系列1x1，1x2带尾纤光开关可以将输入光通道和被选的输出光通道连接起来，实现不同光路之间的切换。光路间的切换基于已获得专 利权的结构设计和电信号驱动来实现。本产品具 有独te的闭锁功能，从而保证光路在断电后仍稳定可靠的运行。全固态设计的CL系列1x1，1x2带尾纤光开关具有低插入损耗，高消光比和良好的重复性等优点。该产品响应速度快，可以满足大部分光开关应用领域的需求，实现光路的不间断、无故障传输，对复杂环境如机械震动、冲击，和温度冲击具有优异的适应能力。
1x1,1x2光开关技术指标
NS系列 1X1光开关/调制器 | 最小值 | 典型值 | 最大值 | 单位 | |
工作波长 | 780 | 1800 | |||
插入损耗 | 1260-1800nm | 0.6 | 1.0 | dB | |
960-1260nm | 0.8 | 1.3 | |||
760-960nm | 1.0 | 1.5 | |||
隔离度 | 20 | 25 | dB | ||
偏振相关损耗 | 0.15 | 0.35 | dB | ||
插入损耗温度相关性 | 0.25 | 0.5 | dB | ||
偏振模式色散 | 0.1 | 0.3 | ps | ||
回波损耗 | 45 | 50 | dB | ||
响应速度（上升沿，下降沿） | 300 | ns | |||
重复频率 | DC | 2k | Hz | ||
工作温度 | -5 | 70 | ℃ | ||
光功率限制 | 300 | 500 | mW | ||
储存温度 | -40 | 85 | ℃ | ||
封装尺寸 | 57.5x7.35x9.7 | mm | |||
典型响应速度测量
典型带宽测量
光路驱动表
Optical Path | TTL Signal |
ON for normal-open or OFF for normal-dark | L (< 0.8V) |
OFF for normal-open or ON for normal-dark | H ( > 3.5V) |
驱动电路板
Maximum Repetition Rate | Part Number (P/N) |
5kHz | SWDR-11a251111 |
100kHz | SWDR-11a261111 |
500kHz | SWDR-11a291111 |
备注: 对于自己设计其驱动电路的客户，他们负责光学性能。有关更多技术信息，请与我们联系。
筱晓光子 1064nm电光开关使用说明
视频演示
1. 将光开关模块上电，散热系统开始工作；
2. 将1064nm激光从光开关的输入端接入，此时可以观测到正向输出端不通光，反向输出端通光；
3. 光开关模块中有一SMA输入端口，为开关调制信号的输入端，识别TTL电平。输入低电平时，光从反向端口输出，输入高电平时，光从正向端口输出。将其与信号源连接，输入脉冲信号，以视频中的信号为例：频率2MHz、高电平1.6V（输出阻抗50欧）、低电平0V、脉宽100ns；
4. 在正向输出端连接PD采集脉冲光信号，与信号源的信号比较。反向输出端则会得到反相结果；
● 无异动部件，使用寿命长
● 切换速度超快
● 极其稳定的锁存模式
● 低功耗
● 一端出纤-易于绕纤
● 具有超常的可靠性和稳定性
● 光路切换
● 高速保护系统
● 系统监控
● 测试测量
● 光纤传感系统
普通功率版本
高功率版本
□□□□ | 1 1 | □ | □ | □ | □ | □ | □ |
Type | Wavelength [1] | Configuration | Fiber Type | Fiber Length | Connector [2] | ||
NSSW=Normal Power | 1x1=11 | 1060nm=1 | Normally open /Single Stage= 11 Normally Opaque/Single Stage=21
Normally open/Dual Stage= 12 Normally Opaque/Dual Stage=22 | SMF-28=1 | Bare Fiber=1 | 0.25m=1 | None=1 |
NHSW=2 W | 2000nm = 2 | HI1060=2 | 900um Tube=3 | 0.5m=2 | FC/PC=2 | ||
NHHW=5W | 1310nm=3 | HI780=3 | Special=0 | 1.0 m=3 | FC/APC= 3 | ||
1410nm=4 | PM1550=5 | Special=0 | SC/PC=4 | ||||
1550nm=5 | PM980=9 | SC/APC=5 | |||||
1625nm=6 | Special=0 | ST/PC=6 | |||||
850nm=8 | LC/PC=7 | ||||||
780nm=7 | Duplex LC=8 | ||||||
650=E | LC/APC=9 | ||||||
550=F | Special=0 | ||||||
400=G | |||||||
Special=0 | |||||||
常见问题解答：
Q: Does NS device drift over time and temperature?
A: NS devices are based on electro-optical crystal materials that can be influenced to a certain range by the environmental variations. The insertion loss of the device is only affected by the thermal expansion induced miss-alignment. For extended temperature operation, we offer special packaging to -40 -100 0C. The extinction or cross-talk value is affected by many EO material characters, including temperature-dependent birefringence, Vp, temperature gradient, optical power, at resonance points (electronic). However, the devices are designed to meet the minimum extinction/cross- talk stated on the spec sheets. It is important to avoid a temperature gradient along the device length.
Q: What is the actual applying voltage on the device?
A: 100 to 400V depending on the version.
Q: How does the device work?
A: NS devices are not based on Mach-Zander Interference, rather birefringence crystal’s nature beam displacement, in which the crystal creates two different paths for beams with different polarization orientations.
Q: What is the limitation for faster operation?
A: NS devces have been tested to have an optical response of about 300 ps. However, practical implementation limits the response speeds. It is possible to achieve a much faster response when operated at partial extinction value. We also offer resonance devices over 20MHz with low electrical power consumption.
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