Product description: 
 Denselight Company DL-CLS051B-S1665 type 1665nm ultra-narrow linewidth semiconductor laser a 14PIN butterfly package, single-mode fiber output, the design of modulation rates up to 662Mbps. The laser-based external cavity laser design, built-in fiber Bragg grating to ensure a very stable laser wavelength output, ultra-narrow output spectral linewidth, and excellent side mode suppression ratio (SMSR). 
 Product Features: 
 InGaAsP / InP quantum-well gain chip with FBG 
 Peak laser wavelength 1665nm 
 Typical spectral line width of 5kHz 
 Minimum output power of 5mW 
 Minimum SMSR 35dB 
 Built-in TEC and thermistor 
 Design meets 155/622Mbps work 

 Application areas: 
 Optical gas sensors 
 Optical chemical sensors 
 Light Test and Measurement Equipment 
 Optical fiber performance testing 
 OTDR system light source 
 Other research areas 

 Name Unit Parameter 
 Ordering Information DL-CLS051B-S1665 
 Peak wavelength (5mW 25 ℃) nm 1663 1665 1667 
 Continuous output power mW at 5 - 
 Side mode suppression than SMSR (CW 5mW) dB 35 - 
 Linewidth (FWHM) (CW 5mW) KHz - 50 
 Threshold current (CW) mA - 25 35 
 Operating Current (CW 5mW) mA - 50 70 
 Operating voltage (CW 5mW) V - 1.5 1.8 
 Slope efficiency (CW 5mW) mW / mA 0.05 0.10 - 
 Thermistor impedance (25 ℃) kΩ 9.5 10 10.5 
 Package Type 14PIN butterfly package 
 Output type of fiber, SMF-28 singlemode fiber (9/125um) 
 Output fiber length m 1.5 
 The output fiber connector FC / APC 
 Operating Temperature ℃ -20 ~ +50 
 Storage Temperature ℃ -40 ~ +85 
 Please contact us for more products 
 Shanghai will Asia Communication Technology Co., Ltd. 
 Wu Jun 
 Tel 021-60547376 QQ120653492 Mobile 18214765220 E-mail wujun@china-fiber.net MSN: likeMichaelJD1990@hotmail.com