633nm DBR Polarization-Maintaining Laser Diode

633nm DBR Polarization-Maintaining Laser Diode

The 633nm DBR laser diode is a single-frequency semiconductor laser based on a Distributed Bragg Reflector (DBR) structure, with a typical center wavelength of 633 nm. It is housed in an industry-standard 14-pin hermetic butterfly package and is available in either free-space output or fiber-coupled output configurations. The product features narrow linewidth, high side-mode suppression ratio, and excellent single-mode output characteristics, making it suitable for Raman spectroscopy and other precision optical applications requiring narrow laser linewidth.Used in precision optical applications requiring narrow laser linewidth.

Product features：Single-frequency narrow-linewidth output；High side-mode suppression ratio；Multiple output options；Standard butterfly package

Part Number：MP-DBR-633-L-PA

Application area：Raman spectroscopy | Precision spectral measurement | Optical inspection and scientific research | OEM optical systems

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Main parameters
General Parameters
Optional Configurations
Downloads

Main parameters

Core parameters

Center wavelength Laser linewidth Output power

633 nm 10 MHz (typical) 20 mW (free-space) / 12 mW (fiber-coupled)

Dimension Drawing

General Parameters

Parameter	Specification
Package type	14-pin hermetic butterfly package
Output mode	Free-space / fiber-coupled
Center wavelength	633 nm (typical)
Wavelength range	632～634 nm
Side-mode suppression ratio (SMSR)	45 dB (typical)
Laser linewidth (FWHM)	10 MHz (typical), 20 MHz (MAX.)
Temperature wavelength coefficient	0.05 nm/℃ (typical)
Current wavelength coefficient	0.005 nm/mA (typical)
Free-space output power	20 mW (typical)
Fiber-coupled output power	12 mW (typical)
Mode structure	TEM00
Polarization	TE
Operating voltage	2.3 V (typical)
Slope efficiency	0.3 W/A (typical)
Threshold current	55 mA (typical), 70 mA (MAX.)
Recommended operating current	120 mA
Recommended chip temperature	15～25 ℃
TEC current	MAX.2.9 A
TEC voltage	MAX.2.9 V
Thermistor resistance @25°C	10 kΩ (typical), 9.9–10.1 kΩ
Thermistor β coefficient	3435
Case temperature	5～45 ℃
Storage temperature	5～85 ℃
MAX. LD forward current	150 mA
MAX. LD reverse voltage	0 V

Pinout

图片5.png

Pin#	Function	Pin#	Function
1	Thermistor	8	Case
2	Thermistor	9	Case
3	LD (-)	10	Case
4	PD (+)	11	LD (+)
5	PD (-)	12	NC
6	TEC (+)	13	LD (+)
7	TEC (+)	14	Case

Typical Output Spectrum

图片6.png

Optional Configurations

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Product title: 633nm DBR Polarization-Maintaining Laser Diode

Product link: https://www.idealphotonics.com/product/detail/1943.html

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