Usually 488nm blue laser diode module applies laser diode as the core component, which is responsible for generating laser with a wavelength of 488nm. It is generally made of specific semiconductor materials. By injecting electric current to achieve particle number inversion, stimulated radiation is generated to form laser. Usually a finished laser device includes collimating lens, focusing lens, which are used to collimate and focus the divergent beam emitted by the laser diode, so that the laser beam becomes a blue reference dot with a specific brightness and low laser beam divergence angle, and ensures the emission of a clear and stable laser light source for all industrial and high tech fields.

Usually 488nm blue laser diode module applies a qualified glass coated lens and glass window inside the durable anodized aluminum alloy housing tube. After its easy connects with an AC/DC adapter, this 488nm blue laser diode made laser device has just enables high quality and good collimation blue laser light source emission at long extending distances. Cooperating with a focusing lens design, it is able to make immediate blue laser light source concentration, and highly efficient conversion of increasing brightness and accuracy blue dot projection at even longer distance.

The unique use of APC, ACC driving circuit board is providing stable electric driving circuit for the 488nm blue laser diode, thus 488nm blue laser diode module gets perfect control of output power, frequency and other parameters of the laser. It might also integrate temperature control circuits to ensure the stable operation of the laser module under different ambient temperature. When blue dot laser makes long time lasting dot alignment within 8 to 10 hours, it is able to maintain ultra stable performance and long serving lifetime in proper use.

What is the special use of a 488nm blue laser diode module?

The wavelength of 488nm is in the blue-green light region, which has unique advantages in a lot of optical applications, such as matching the absorption and emission spectra of a variety of fluorescent dyes, and excite specific fluorescent substances to produce fluorescent signals. Usually 488nm blue laser diode module can produce high quality blue reference dot, with small size and low beam divergence. It can realize high precision positioning and focusing, and provide high energy density blue laser beam at the target position. After correct use of output power and proper operating voltage electric power source, it has specific applications in biomedicine, material science, semiconductor manufacturing and other field. Its special wavelength of 488nm and beam characteristics are suitable for the needs of these fields, such as being used as a common excitation light source in flow cytometry for analyzing and classifying cells.

Featured characteristics:

High monochromaticity: The blue color light emitted through a 488nm blue laser diode module is pure and the wavelength is single, which help to reduce background interference and improve measurement accuracy and image resolution in applications such as optical measurement and fluorescence imaging.

High coherence: The long coherence length enables the 488nm blue laser to produce clear and stable interference fringes in experiments and applications such as interference and holography, which can be used for high-precision measurement and imaging.

High directivity: The divergence angle of the blue laser beam is small, and the energy is concentrated in a narrow direction. It can be transmitted over long distances while maintaining a high energy density, which can achieve long-distance precise aiming and positioning.

Good stability: 488nm blue laser module uses high-quality optical components and advanced circuit design, has good power stability and wavelength stability, and can maintain the consistency of output performance during long-term operation.
Easy to integrate: within wide range output power of 5mW to 100mW, 488nm blue dot laser has a compact structure and small size, which is easy to install and integrate into various instruments and systems, making it possible for the miniaturization and portability of the system.

Applications:

Biomedical field: 488nm blue laser diode module is used in flow cytometry as a common excitation light source, which can excite a variety of fluorescent dyes to analyze and classify cells, and also used in confocal laser scanning microscopy for high-resolution three-dimensional imaging, providing clear cell structure images.

Material science field: Being used for material characterization, including Raman spectroscopy, 488nm blue laser can help study and analyze the molecular structure of materials.

Semiconductor manufacturing field: used for etching and modifying microelectronic devices, including processes such as laser etching and laser annealing.

Entertainment display field: such as in escape room games, stage lighting and display cabinet lighting beautification, 488nm blue laser light source can show unique visual effects and bring a shocking visual experience to the audience.