Related Manuals for Vescent D2 Series
Summary of Contents for Vescent D2 Series
- Page 1 Laser Module Vescent Photonics, Inc. www.vescentphotonics.com 4865 E. 41 Denver, CO 80216 Phone: (303)-296-6766 Fax: (303)-296-6783...
-
Page 2: General Warnings And Cautions
WARNING Do not clean outside surfaces of any Vescent Photonics products with solvents such as acetone. Front panels on electronics modules may be cleaned with a mild soap and water solution. -
Page 3: Limited Warranty
Limited Warranty Vescent Photonics warrants this product to be free from defects in materials and workmanship for a period of one year from the date of shipment. If this product proves defective during the applicable warranty period, Vescent Photonics, at its option, either will repair the defective product without charge or will provide a replacement in exchange for the defective product. -
Page 4: Absolute Maximum Ratings
Absolute Maximum Ratings Note: All modules designed to be operated in laboratory environment Parameter Rating Environmental Temperature >15°C and <30°C Environmental Humidity <60% Environmental Dew Point <15°C Stage 2 Temperature of DBR Laser Diode >15°C and <40°C Laser Diode Current 180mA... - Page 5 DBR lasers have 2-3 times larger temperature and current tuning coefficients as compared to external- cavity diode lasers. Vescent carefully controls these parameters with two stages of temperature control and a precision low-noise current controller with fast servo input.
- Page 6 Vescent Photonics D2 Series Product Manual The DBR laser chip is contained in a thermal package allowing temperature control between 0° to 50° C. Vescent can replace the package if it exceeds its lifetime. Anamorphic Anamorphic Anamorphic Anamorphic prisms prisms...
-
Page 7: Specifications
Vescent Photonics D2 Series Product Manual 1.2. Specifications Min. Typical Max. Units Wavelength 780.24 Output power Beam diameter (1/e dia.) Polarization Horizontal Optical isolation Operating current Threshold Current Temperature range Stage 1, housing °C Stage 2, laser Temperature stability See Laser Controller, Model No. - Page 8 Laser diodes all have astigmatism, which means the horizontal and vertical axis have different foci. Vescent uses a powerful asphere with a short focal length and an anamorphic prism pair to create a small diameter circular beam. This reduces the costs of the isolator and other downstream modules by reducing the clear aperture requirements.
- Page 9 Vescent Photonics D2 Series Product Manual Cable Connector The connections to the TECs and thermisters are made to an 8-pin circular connector. The pin definitions are: Signal TEC1+ TEC1- Rth-1 Rth1-RTN TEC2+ TEC2- Rth2 Rth2-RTN NOTE: Earlier models use a push-pull connector for the 8-pin connector to the DBR module. To remove take care to apply opposition forces with the thumb and forefinger knuckles against the housing.