Product Name: 1653nm ultra-narrow linewidth DFB lasers 
 Product description: 
 The narrow linewidth laser is used in spectroscopy instruments, gas sensing measurement in these areas, the light source has a very narrow spectral width, and excellent side mode suppression, and very good power and spectral stability. The narrow linewidth laser butterfly package laser tube, built-in laser-driven and active temperature control, you can get any customer specified wavelength (within specifications). Wavelength stability of the product in + /-1pm, stable work environment of 0-60 degrees. The product of wavelength can choose 1260, 1383, 1550,1648, 1653,1665 nm and other wavelengths. 
 Important features: 
 Wavelength stability + /-1pm 
 InGaAsP / InP quantum-well gain chip with FBG 
 Peak laser wavelength 1653.50nm 
 Typical spectral linewidth 50kHz 
 Minimum output power 8mW 
 Minimum SMSR 35dB 

 Main applications: 
 Optical gas sensors 
 Optical chemical sensors 
 Light Test and Measurement Equipment 
 Optical fiber performance testing 
 OTDR system light source 
 Other research areas 
 Parameter Unit Specification 
 Peak wavelength (10mW 25 ° C) nm 1652.5 1654.5 
 Continuous output power mW at 8 
 Side mode suppression ratio SMSR (CW 5mW) dB 35 40 
 Linewidth (FWHM) (CW 5mW) KHz, 5 50 
 Wavelength stability (CW) dB + /-1pm 
 Power stability (one hour) dB + / -0.03 
 Power stability (8 hours) dB + / -0.01 
 Size mm 320 * 220 * 90 (the L * W * H) 
 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