850nm butterfly high-speed modulated VCSEL laser 0.1mW polarization-maintaining output

850nm butterfly high-speed modulated VCSEL laser 0.1mW polarization-maintaining output

Idealphotonics' 850 nm single-mode VCSELs are ideal for demanding sensing applications due to their optimized optical properties. The innovative chip design suppresses high-order longitudinal and transverse modes while providing linear polarization stability.

Product features：Internal TEC and thermistor、 2 nm TEC tunability、 Gaussian beam profile The absolutely symmetrical Gaussian beam profile significantly simplifies the application optical design、 Small beam divergence, with a range of 20° (1/e2) and reproducible divergence angle, facilitates laser beam guidance、 Narrow spectral width, with a laser line with a spectral width of typically 100 MHz, these lasers are designed for spectroscopy applications、 Low power consumption, with a power consumption of only a few milliwatts, battery operation is possible in mobile applications、 TO46&TEC、 Specific operating conditions: Laser current IOP = 2 mA Target wavelength λ t = 850 nm @ TOP (adjusted by TEC)

Part Number：--

Application area：CPT atomic clock、 Optical coherence experiments

Add to Cart Consult Favorite

Related Products

Main parameters
General Parameters
Optional Configurations
Downloads

Main parameters

Core parameters

Dimension Drawing

General Parameters

Parameter

Parameter	Symbol	Condition	Min.	Typical	Max.	Unit
Optical power Power	P	—	0.1	—	—	mW
Threshold current	I_TH	CW,T_L=25℃	1	3	5	mA
Drive current	I_Op	P_O =0.1mW	—	5	8	mA
Laser forward voltage	V_LF	P_O=0.1mW	—	—	2.3	V
Photoelectric efficiency	η	CW,T_L=25℃	0.2	0.4	0.65	mW/m A
Laser TEC control temperature (ambient temperature 25℃)	T_LD	—	15	—	35	℃
Thermistor current	I_TC	—	10	—	100	µA
Thermistor impedance	R_TH	T_L=25℃	9.5	—	10.5	kΩ
Cooler current	I_TEC	T_L=25℃, T_around =70℃	—	—	1.2	A
Cooler voltage	V_TEC	T_L =25℃, T_around =70℃	—	—	3.5	V

Fiber and connector

Parameter	Symbol	Describe	Min.	Typical	Max.	Unit
Pigtail length	L	Nufern PM 780-HP	0.98	-	3.5	m
Connector type	-	FP/APC		-	3.5	_

Optical characteristic

Parameter	Symbol	Describe	Min.	Typical	Max.	Unit
wavelength	λ_C	CW	840	850	860	nm
		TLD=25~35℃
SMSR	-	CW	10	-	-	dB
Extinction ratio	ER	I_F=5mA	18	20	-	dB
		Polarization II slow axis

Absolute Maximum

Parameter	Symbol	Min.	Max.	Unit
Laser reverse voltage	VRLMAX	—	8.0	V
Forward current	I_FLMAX	—	8.0	mA
Operating temperature range	T_O	5	45	℃
Storage temperature range	T_stg	-40	85	℃
Thermistor temperature	—	—	100	℃
Cooler operating current	—	—	1.9	A

图片2.png

Spectrum

High-order modes are strongly suppressed and the spectral bandwidth is extremely narrow

Beam profile

The far-field light intensity distribution of a single-mode VCSEL is completely consistent with the Gaussian model

LIVT characteristic curves

You will benefit from linear performance over a wide temperature range and low threshold current

Pin definition

1	Thermoelectric Cooler (+)	8	N/C
2	Thermistor	9	N/C
3	PD Monitor Anode (-) optional	10	laser Anode (+)
4	PD Monitor Cathode (+) optional	11	Laser Cathode (–)
5	Thermistor	12	N/C
6	N/C	13	Case Ground
7	N/C	14	Thermoelectric Cooler (–)

A. Model: VCSEL850-SM-BF-PM

Description:

Center wavelength: 850nm, wavelength deviation: ±10nm, output power: >0.1mw, 14pin butterfly package, polarization-maintaining output

Optional Configurations

Downloads

No resources available