Holograms already exist, just not the way most people picture them. If you’re imagining Princess Leia projected into thin air, that specific vision remains out of reach for consumers. But several technologies are converging to make free-floating 3D images increasingly real, and some are already in use in medicine, aerospace, and entertainment. The honest answer: the sci-fi hologram is getting closer, and pieces of it are here now.
What Counts as a “Real” Hologram
Most of the “holograms” you’ve seen at concerts, trade shows, or on social media aren’t holograms at all. The vast majority use a 19th-century stage trick called Pepper’s Ghost: a transparent pane angled at about 45 degrees reflects a hidden image toward the audience, creating a convincing floating figure. It looks impressive, but it’s a flat 2D illusion. You can’t walk around it and see a different angle.
A true hologram creates a volume of light that you can view from multiple angles, just like a real object. The technologies working toward that goal fall into two categories. Volumetric displays build a 3D shape by rapidly projecting light slices onto a spinning surface or by trapping tiny particles in midair. Light field displays generate dozens of slightly different perspectives simultaneously, so your eyes perceive genuine depth without glasses. Both are real, both work today, and both have significant limitations.
Technologies That Already Create 3D Images in Open Air
The closest thing to a sci-fi hologram right now is the laser plasma display. Ultrashort laser pulses ionize air molecules at precise points in space, creating tiny bursts of light. By scanning thousands of these points rapidly, the system draws a glowing 3D shape with no screen, no glass, and no particles. The images are small and dim compared to what you’d want in a living room, but they exist in actual open air.
Another approach uses arrays of ultrasonic speakers to trap and move a lightweight particle at high speed through a volume of space while LEDs illuminate it in changing colors. Researchers at the University of Sussex demonstrated a system called the Multimodal Acoustic Trap Display that moves particles at speeds up to 8.75 meters per second vertically. At that speed, a single bead traces out a visible shape before your eye can detect the motion, similar to how a sparkler writes letters in the dark. This system can also create sound and provide a tactile sensation when your hand interrupts the ultrasonic field, making it a display you can “feel.”
Then there are the spinning LED fans (sometimes called POV displays) you may have seen in retail stores. These whip a strip of LEDs through the air fast enough to form a persistent image. They look like floating video, but they’re not truly volumetric since the image only works from certain angles.
What You Can Buy Today
Consumer light field displays are already on the market. Looking Glass Factory sells a portable display called the Looking Glass Go for $229. It has a 2560 x 1440 resolution panel and generates up to 100 different perspectives of a 3D scene at 60 frames per second within a 58-degree viewing cone. That means multiple people sitting in front of it can each see a slightly different angle of the same 3D object, no headset required. Their larger 16-inch model ($3,000) and 27-inch model ($10,000) push the resolution up to 5120 x 2880.
These are real products, shipping now. They look like glowing dioramas with genuine depth. But they’re contained behind a screen, not projected into open air. Think of them as a window into a 3D scene rather than a floating figure in your room.
Where Holograms Are Already Useful
Medicine has become one of the most active proving grounds. Surgeons use mixed-reality headsets to overlay 3D holographic models of a patient’s anatomy directly onto the body during operations. A meta-analysis published in 2025 found that these holographic overlays reduce operating time and significantly improve accuracy for less experienced surgeons. The technology doesn’t replace skill, but it acts like a GPS for the body’s interior.
In October 2021, NASA conducted the first “holoportation” to the International Space Station. Flight surgeon Dr. Josef Schmid and AEXA Aerospace CEO Fernando De La Pena Llaca were captured by depth-sensing cameras on Earth, compressed into 3D models, and transmitted to the station in real time. European Space Agency astronaut Thomas Pesquet saw life-size, live 3D representations of them standing inside the station and held what NASA called the first holoportation handshake from Earth in space. The hardware was relatively modest: a Microsoft HoloLens headset, a Kinect camera, and custom software. The fidelity wasn’t cinematic, but the spatial presence was real enough to hold a productive medical consultation across 250 miles of vacuum.
The Bandwidth Problem
The biggest technical barrier to everyday holographic video isn’t the display. It’s the data. A conventional 4K video stream needs roughly 25 megabits per second. A basic holographic display system needs around 10 gigabits per second, about 400 times more. As display quality improves, that requirement climbs to between 100 gigabits and 1 terabit per second. For context, the fastest home internet connections in most countries top out around 1 to 10 gigabits per second.
Researchers are attacking this from multiple angles. Compression standards originally designed for regular video, like HEVC (the codec behind most 4K streaming), are being adapted to squeeze holographic data. More advanced approaches using 3D point cloud compression show promise for reducing file sizes without destroying the spatial information that makes a hologram work. But even with aggressive compression, holographic video calls will need network infrastructure that doesn’t widely exist yet. 5G helps. Fiber helps more. Neither is sufficient alone for high-fidelity, real-time holographic streaming to millions of users.
How Big the Market Is Getting
The holographic display market hit an estimated $2.47 billion in 2025 and is projected to reach $2.99 billion in 2026, growing at about 21% per year. That growth is driven mostly by enterprise and medical applications rather than consumer gadgets. Companies are buying holographic systems for product visualization, remote collaboration, and surgical planning because the return on investment is already clear in those settings. Consumer adoption is lagging behind, largely because of cost and the bandwidth issue.
A Realistic Timeline
If “holograms” means light field displays on a desk that show 3D images without glasses, they exist now for a few hundred dollars. If it means volumetric images floating in open air, that technology works in labs and small installations but remains too dim, too small, or too expensive for homes. If it means a life-size Princess Leia projected into your living room with full color, brightness, and motion, that’s likely still 15 to 25 years away, gated primarily by the bandwidth problem and the challenge of scaling laser or acoustic voxel systems to room-size volumes.
The trajectory is clear, though. Every core technology involved, from display resolution to data compression to network speed, is improving on a steep curve. Holographic telepresence already works well enough that NASA used it in space with off-the-shelf hardware. The question isn’t really whether holograms will exist. Several forms already do. The question is when they’ll become cheap, bright, and large enough that you stop thinking of them as technology and start thinking of them as just another screen.