1、 Operating temperature
The operating temperature of the optical module. Here, the temperature refers to the housing temperature. There are three operating temperatures of the optical module, commercial temperature: 0-70 ℃; Industrial temperature: – 40 ℃ – 85 ℃; There is also an expansion stage temperature between the quotient temperature and working temperature of – 20-85 ℃;
2、 Operating rate
The operating speed of the optical module largely determines the price of the optical module. The low rate of low speed and the high rate of high speed. Currently, the commonly used optical module speeds are 155M, 1.25G, 10G, 25G, 40G, and 100G, as well as 200G, 400G, and even 800G at higher speeds. The work rate represents the amount of traffic that can be carried;
3、 Operating voltage
The working voltage of all optical modules must be about 3.3V, and the allowable fluctuation amplitude is 5%. The operating voltage of the existing optical module is 3.135-3.465V, which is the average value;
4、 Transmitting terminal
The transmitter of the optical module mainly includes transmitted optical power, extinction ratio, and central wavelength.
Transmitting light power refers to the output light power of the light source at the transmitting end, generally understood as the light intensity. The requirements for sharing optical power of various optical modules with different rates, wavelengths, and transmission distances are different. The transmitting optical power should be within an average value. Too high transmitting optical power is likely to cause damage to the devices at the receiving end, and too low transmitting optical power will cause the optical module to fail to receive light;
Extinction ratio refers to the minimum value of the ratio between the average optical power of the laser when transmitting all “1″ codes and the average optical power when transmitting all “0″ codes under full modulation conditions, in dB, which is one of the important parameters to measure the quality of the optical module;
Even the laser with the highest purity has a certain wavelength distribution range. For example, if it is necessary to generate a laser with a wavelength of 1550nm, the laser with a wavelength of 1549 ～ 1551nm can be realized eventually, but the wavelength of 1550nm has the largest optical energy, which is the so-called central wavelength;
5、 Receiver
The indicators of the receiver mainly include: Receiving optical power, overload optical power, and receiving sensitivity.
The received optical power refers to the minimum average input optical power that the receiving end component can receive under a certain bit error rate (generally less than three thousandths) in dBm; The upper limit of the received optical power is the overload optical power, and the lower limit is the receiving sensitivity. The receiving optical power is within the normal range between the overload optical power and the receiving sensitivity.
The above is the “Temperature, Rate, Voltage, Transmitter and Receiver of Optical Module” brought by Shenzhen HDV Phoelectron Technology Co., Ltd., which is an optical communication manufacturer and covers various type communications equipment. Welcome you to for inquiry.